Home / 912,691.69-1,369,039.92-372,948.01

Finding the Fourth Proportional to 912,691.69, 1,369,039.92 and 372,948.01

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Solution

The fourth proportional to 912,691.69, 1,369,039.92 and 372,948.01 is: 559,422.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,691.69 : 1,369,039.92 = 372,948.01 : x
  2. Step 2: Convert to fraction form
    912,691.69/1,369,039.92 = 372,948.01/x
  3. Step 3: Cross multiply
    912,691.69x = 1,369,039.92 × 372,948.01
  4. Step 4: Simplify right side
    912,691.69x = 510,580,713,774.56
  5. Step 5: Solve for x
    x = 510,580,713,774.56/912,691.69
  6. Step 6: Final answer
    x = 559,422.99

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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.