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Finding the Fourth Proportional to 560,743.92, 841,115.76 and 309,621.12

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Solution

The fourth proportional to 560,743.92, 841,115.76 and 309,621.12 is: 464,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,743.92 : 841,115.76 = 309,621.12 : x
  2. Step 2: Convert to fraction form
    560,743.92/841,115.76 = 309,621.12/x
  3. Step 3: Cross multiply
    560,743.92x = 841,115.76 × 309,621.12
  4. Step 4: Simplify right side
    560,743.92x = 260,427,203,660.85
  5. Step 5: Solve for x
    x = 260,427,203,660.85/560,743.92
  6. Step 6: Final answer
    x = 464,431.61

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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.