Home / 688,282.40-1,031,920.32-463,082.96

Finding the Fourth Proportional to 688,282.40, 1,031,920.32 and 463,082.96

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Solution

The fourth proportional to 688,282.40, 1,031,920.32 and 463,082.96 is: 694,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,282.40 : 1,031,920.32 = 463,082.96 : x
  2. Step 2: Convert to fraction form
    688,282.40/1,031,920.32 = 463,082.96/x
  3. Step 3: Cross multiply
    688,282.40x = 1,031,920.32 × 463,082.96
  4. Step 4: Simplify right side
    688,282.40x = 477,864,716,269.75
  5. Step 5: Solve for x
    x = 477,864,716,269.75/688,282.40
  6. Step 6: Final answer
    x = 694,285.83

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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.