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Finding the Fourth Proportional to 567,612.77, 850,455.68 and 342,500.19

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Solution

The fourth proportional to 567,612.77, 850,455.68 and 342,500.19 is: 513,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,612.77 : 850,455.68 = 342,500.19 : x
  2. Step 2: Convert to fraction form
    567,612.77/850,455.68 = 342,500.19/x
  3. Step 3: Cross multiply
    567,612.77x = 850,455.68 × 342,500.19
  4. Step 4: Simplify right side
    567,612.77x = 291,281,227,084.87
  5. Step 5: Solve for x
    x = 291,281,227,084.87/567,612.77
  6. Step 6: Final answer
    x = 513,168.91

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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.