Home / 559,024.80-769,984.56-429,715.68

Finding the Fourth Proportional to 559,024.80, 769,984.56 and 429,715.68

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Solution

The fourth proportional to 559,024.80, 769,984.56 and 429,715.68 is: 591,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,024.80 : 769,984.56 = 429,715.68 : x
  2. Step 2: Convert to fraction form
    559,024.80/769,984.56 = 429,715.68/x
  3. Step 3: Cross multiply
    559,024.80x = 769,984.56 × 429,715.68
  4. Step 4: Simplify right side
    559,024.80x = 330,874,438,789.90
  5. Step 5: Solve for x
    x = 330,874,438,789.90/559,024.80
  6. Step 6: Final answer
    x = 591,877.93

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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.