Home / 778,637.61-1,168,164.18-246,168.72

Finding the Fourth Proportional to 778,637.61, 1,168,164.18 and 246,168.72

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Solution

The fourth proportional to 778,637.61, 1,168,164.18 and 246,168.72 is: 369,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,637.61 : 1,168,164.18 = 246,168.72 : x
  2. Step 2: Convert to fraction form
    778,637.61/1,168,164.18 = 246,168.72/x
  3. Step 3: Cross multiply
    778,637.61x = 1,168,164.18 × 246,168.72
  4. Step 4: Simplify right side
    778,637.61x = 287,565,480,940.45
  5. Step 5: Solve for x
    x = 287,565,480,940.45/778,637.61
  6. Step 6: Final answer
    x = 369,318.77

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Double scale
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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.