Home / 688,088.16-1,032,253.28-314,148.96

Finding the Fourth Proportional to 688,088.16, 1,032,253.28 and 314,148.96

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Solution

The fourth proportional to 688,088.16, 1,032,253.28 and 314,148.96 is: 471,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,088.16 : 1,032,253.28 = 314,148.96 : x
  2. Step 2: Convert to fraction form
    688,088.16/1,032,253.28 = 314,148.96/x
  3. Step 3: Cross multiply
    688,088.16x = 1,032,253.28 × 314,148.96
  4. Step 4: Simplify right side
    688,088.16x = 324,281,294,368.59
  5. Step 5: Solve for x
    x = 324,281,294,368.59/688,088.16
  6. Step 6: Final answer
    x = 471,278.70

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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.