Home / 782,483.16-1,174,160.85-422,646.75

Finding the Fourth Proportional to 782,483.16, 1,174,160.85 and 422,646.75

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Solution

The fourth proportional to 782,483.16, 1,174,160.85 and 422,646.75 is: 634,205.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,483.16 : 1,174,160.85 = 422,646.75 : x
  2. Step 2: Convert to fraction form
    782,483.16/1,174,160.85 = 422,646.75/x
  3. Step 3: Cross multiply
    782,483.16x = 1,174,160.85 × 422,646.75
  4. Step 4: Simplify right side
    782,483.16x = 496,255,267,229.74
  5. Step 5: Solve for x
    x = 496,255,267,229.74/782,483.16
  6. Step 6: Final answer
    x = 634,205.68

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1.5x scale

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.