Home / 650,528-974,529.28-479,438.72

Finding the Fourth Proportional to 650,528, 974,529.28 and 479,438.72

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Solution

The fourth proportional to 650,528, 974,529.28 and 479,438.72 is: 718,227.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,528 : 974,529.28 = 479,438.72 : x
  2. Step 2: Convert to fraction form
    650,528/974,529.28 = 479,438.72/x
  3. Step 3: Cross multiply
    650,528x = 974,529.28 × 479,438.72
  4. Step 4: Simplify right side
    650,528x = 467,227,070,605.72
  5. Step 5: Solve for x
    x = 467,227,070,605.72/650,528
  6. Step 6: Final answer
    x = 718,227.46

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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.