Home / 778,807.35-1,168,211.03-329,411.66

Finding the Fourth Proportional to 778,807.35, 1,168,211.03 and 329,411.66

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Solution

The fourth proportional to 778,807.35, 1,168,211.03 and 329,411.66 is: 494,117.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,807.35 : 1,168,211.03 = 329,411.66 : x
  2. Step 2: Convert to fraction form
    778,807.35/1,168,211.03 = 329,411.66/x
  3. Step 3: Cross multiply
    778,807.35x = 1,168,211.03 × 329,411.66
  4. Step 4: Simplify right side
    778,807.35x = 384,822,327,134.50
  5. Step 5: Solve for x
    x = 384,822,327,134.50/778,807.35
  6. Step 6: Final answer
    x = 494,117.48

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.