Home / 918,243.60-1,377,508.01-468,721.24

Finding the Fourth Proportional to 918,243.60, 1,377,508.01 and 468,721.24

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Solution

The fourth proportional to 918,243.60, 1,377,508.01 and 468,721.24 is: 703,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,243.60 : 1,377,508.01 = 468,721.24 : x
  2. Step 2: Convert to fraction form
    918,243.60/1,377,508.01 = 468,721.24/x
  3. Step 3: Cross multiply
    918,243.60x = 1,377,508.01 × 468,721.24
  4. Step 4: Simplify right side
    918,243.60x = 645,667,256,769.76
  5. Step 5: Solve for x
    x = 645,667,256,769.76/918,243.60
  6. Step 6: Final answer
    x = 703,154.65

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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.