Home / 628,082.76-937,869.79-498,545.74

Finding the Fourth Proportional to 628,082.76, 937,869.79 and 498,545.74

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Solution

The fourth proportional to 628,082.76, 937,869.79 and 498,545.74 is: 744,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,082.76 : 937,869.79 = 498,545.74 : x
  2. Step 2: Convert to fraction form
    628,082.76/937,869.79 = 498,545.74/x
  3. Step 3: Cross multiply
    628,082.76x = 937,869.79 × 498,545.74
  4. Step 4: Simplify right side
    628,082.76x = 467,570,988,479.20
  5. Step 5: Solve for x
    x = 467,570,988,479.20/628,082.76
  6. Step 6: Final answer
    x = 744,441.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.