Home / 776,311.20-1,071,233.28-436,772.16

Finding the Fourth Proportional to 776,311.20, 1,071,233.28 and 436,772.16

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Solution

The fourth proportional to 776,311.20, 1,071,233.28 and 436,772.16 is: 602,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,311.20 : 1,071,233.28 = 436,772.16 : x
  2. Step 2: Convert to fraction form
    776,311.20/1,071,233.28 = 436,772.16/x
  3. Step 3: Cross multiply
    776,311.20x = 1,071,233.28 × 436,772.16
  4. Step 4: Simplify right side
    776,311.20x = 467,884,873,569.49
  5. Step 5: Solve for x
    x = 467,884,873,569.49/776,311.20
  6. Step 6: Final answer
    x = 602,702.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.