Home / 673,747.52-929,715.68-383,281.80

Finding the Fourth Proportional to 673,747.52, 929,715.68 and 383,281.80

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Solution

The fourth proportional to 673,747.52, 929,715.68 and 383,281.80 is: 528,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,747.52 : 929,715.68 = 383,281.80 : x
  2. Step 2: Convert to fraction form
    673,747.52/929,715.68 = 383,281.80/x
  3. Step 3: Cross multiply
    673,747.52x = 929,715.68 × 383,281.80
  4. Step 4: Simplify right side
    673,747.52x = 356,343,099,318.62
  5. Step 5: Solve for x
    x = 356,343,099,318.62/673,747.52
  6. Step 6: Final answer
    x = 528,897.08

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1.5x scale

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.