Home / 567,284.20-782,832.33-309,155.89

Finding the Fourth Proportional to 567,284.20, 782,832.33 and 309,155.89

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Solution

The fourth proportional to 567,284.20, 782,832.33 and 309,155.89 is: 426,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,284.20 : 782,832.33 = 309,155.89 : x
  2. Step 2: Convert to fraction form
    567,284.20/782,832.33 = 309,155.89/x
  3. Step 3: Cross multiply
    567,284.20x = 782,832.33 × 309,155.89
  4. Step 4: Simplify right side
    567,284.20x = 242,017,225,701.92
  5. Step 5: Solve for x
    x = 242,017,225,701.92/567,284.20
  6. Step 6: Final answer
    x = 426,624.30

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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.