Home / 971,180.92-1,457,191.01-521,376.53

Finding the Fourth Proportional to 971,180.92, 1,457,191.01 and 521,376.53

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Solution

The fourth proportional to 971,180.92, 1,457,191.01 and 521,376.53 is: 782,290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,180.92 : 1,457,191.01 = 521,376.53 : x
  2. Step 2: Convert to fraction form
    971,180.92/1,457,191.01 = 521,376.53/x
  3. Step 3: Cross multiply
    971,180.92x = 1,457,191.01 × 521,376.53
  4. Step 4: Simplify right side
    971,180.92x = 759,745,189,734.11
  5. Step 5: Solve for x
    x = 759,745,189,734.11/971,180.92
  6. Step 6: Final answer
    x = 782,290.07

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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.