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Finding the Fourth Proportional to 560,760.96, 841,141.28 and 309,638.16

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Solution

The fourth proportional to 560,760.96, 841,141.28 and 309,638.16 is: 464,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,760.96 : 841,141.28 = 309,638.16 : x
  2. Step 2: Convert to fraction form
    560,760.96/841,141.28 = 309,638.16/x
  3. Step 3: Cross multiply
    560,760.96x = 841,141.28 × 309,638.16
  4. Step 4: Simplify right side
    560,760.96x = 260,449,438,239.25
  5. Step 5: Solve for x
    x = 260,449,438,239.25/560,760.96
  6. Step 6: Final answer
    x = 464,457.15

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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.