Home / 747,307.50-1,031,750.91-479,502.06

Finding the Fourth Proportional to 747,307.50, 1,031,750.91 and 479,502.06

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Solution

The fourth proportional to 747,307.50, 1,031,750.91 and 479,502.06 is: 662,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,307.50 : 1,031,750.91 = 479,502.06 : x
  2. Step 2: Convert to fraction form
    747,307.50/1,031,750.91 = 479,502.06/x
  3. Step 3: Cross multiply
    747,307.50x = 1,031,750.91 × 479,502.06
  4. Step 4: Simplify right side
    747,307.50x = 494,726,686,751.88
  5. Step 5: Solve for x
    x = 494,726,686,751.88/747,307.50
  6. Step 6: Final answer
    x = 662,012.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.