Home / 690,572.59-1,036,812.96-476,838.90

Finding the Fourth Proportional to 690,572.59, 1,036,812.96 and 476,838.90

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Solution

The fourth proportional to 690,572.59, 1,036,812.96 and 476,838.90 is: 715,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,572.59 : 1,036,812.96 = 476,838.90 : x
  2. Step 2: Convert to fraction form
    690,572.59/1,036,812.96 = 476,838.90/x
  3. Step 3: Cross multiply
    690,572.59x = 1,036,812.96 × 476,838.90
  4. Step 4: Simplify right side
    690,572.59x = 494,392,751,352.14
  5. Step 5: Solve for x
    x = 494,392,751,352.14/690,572.59
  6. Step 6: Final answer
    x = 715,917.14

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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.