Home / 989,472.08-1,482,229.56-456,263.12

Finding the Fourth Proportional to 989,472.08, 1,482,229.56 and 456,263.12

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Solution

The fourth proportional to 989,472.08, 1,482,229.56 and 456,263.12 is: 683,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,472.08 : 1,482,229.56 = 456,263.12 : x
  2. Step 2: Convert to fraction form
    989,472.08/1,482,229.56 = 456,263.12/x
  3. Step 3: Cross multiply
    989,472.08x = 1,482,229.56 × 456,263.12
  4. Step 4: Simplify right side
    989,472.08x = 676,286,683,601.83
  5. Step 5: Solve for x
    x = 676,286,683,601.83/989,472.08
  6. Step 6: Final answer
    x = 683,482.33

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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.