Home / 746,022.01-1,119,363.78-390,951.61

Finding the Fourth Proportional to 746,022.01, 1,119,363.78 and 390,951.61

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Solution

The fourth proportional to 746,022.01, 1,119,363.78 and 390,951.61 is: 586,600.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,022.01 : 1,119,363.78 = 390,951.61 : x
  2. Step 2: Convert to fraction form
    746,022.01/1,119,363.78 = 390,951.61/x
  3. Step 3: Cross multiply
    746,022.01x = 1,119,363.78 × 390,951.61
  4. Step 4: Simplify right side
    746,022.01x = 437,617,071,966.69
  5. Step 5: Solve for x
    x = 437,617,071,966.69/746,022.01
  6. Step 6: Final answer
    x = 586,600.75

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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.