Home / 708,242.46-1,062,474.33-287,547.90

Finding the Fourth Proportional to 708,242.46, 1,062,474.33 and 287,547.90

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Solution

The fourth proportional to 708,242.46, 1,062,474.33 and 287,547.90 is: 431,366.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,242.46 : 1,062,474.33 = 287,547.90 : x
  2. Step 2: Convert to fraction form
    708,242.46/1,062,474.33 = 287,547.90/x
  3. Step 3: Cross multiply
    708,242.46x = 1,062,474.33 × 287,547.90
  4. Step 4: Simplify right side
    708,242.46x = 305,512,262,395.41
  5. Step 5: Solve for x
    x = 305,512,262,395.41/708,242.46
  6. Step 6: Final answer
    x = 431,366.77

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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.