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Finding the Fourth Proportional to 609,655.43, 915,050.56 and 310,360.07

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Solution

The fourth proportional to 609,655.43, 915,050.56 and 310,360.07 is: 465,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,655.43 : 915,050.56 = 310,360.07 : x
  2. Step 2: Convert to fraction form
    609,655.43/915,050.56 = 310,360.07/x
  3. Step 3: Cross multiply
    609,655.43x = 915,050.56 × 310,360.07
  4. Step 4: Simplify right side
    609,655.43x = 283,995,155,855.14
  5. Step 5: Solve for x
    x = 283,995,155,855.14/609,655.43
  6. Step 6: Final answer
    x = 465,828.96

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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.