Home / 708,363.30-1,062,804.15-287,681.70

Finding the Fourth Proportional to 708,363.30, 1,062,804.15 and 287,681.70

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Solution

The fourth proportional to 708,363.30, 1,062,804.15 and 287,681.70 is: 431,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,363.30 : 1,062,804.15 = 287,681.70 : x
  2. Step 2: Convert to fraction form
    708,363.30/1,062,804.15 = 287,681.70/x
  3. Step 3: Cross multiply
    708,363.30x = 1,062,804.15 × 287,681.70
  4. Step 4: Simplify right side
    708,363.30x = 305,749,304,639.06
  5. Step 5: Solve for x
    x = 305,749,304,639.06/708,363.30
  6. Step 6: Final answer
    x = 431,627.82

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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.