Home / 778,850.90-1,168,276.35-479,669.30

Finding the Fourth Proportional to 778,850.90, 1,168,276.35 and 479,669.30

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Solution

The fourth proportional to 778,850.90, 1,168,276.35 and 479,669.30 is: 719,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,850.90 : 1,168,276.35 = 479,669.30 : x
  2. Step 2: Convert to fraction form
    778,850.90/1,168,276.35 = 479,669.30/x
  3. Step 3: Cross multiply
    778,850.90x = 1,168,276.35 × 479,669.30
  4. Step 4: Simplify right side
    778,850.90x = 560,386,299,011.06
  5. Step 5: Solve for x
    x = 560,386,299,011.06/778,850.90
  6. Step 6: Final answer
    x = 719,503.95

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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.