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Finding the Fourth Proportional to 653,476.06, 978,104.85 and 337,498.30

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Solution

The fourth proportional to 653,476.06, 978,104.85 and 337,498.30 is: 505,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,476.06 : 978,104.85 = 337,498.30 : x
  2. Step 2: Convert to fraction form
    653,476.06/978,104.85 = 337,498.30/x
  3. Step 3: Cross multiply
    653,476.06x = 978,104.85 × 337,498.30
  4. Step 4: Simplify right side
    653,476.06x = 330,108,724,096.76
  5. Step 5: Solve for x
    x = 330,108,724,096.76/653,476.06
  6. Step 6: Final answer
    x = 505,158.10

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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.