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Finding the Fourth Proportional to 458,740.35, 688,110.53 and 458,740.35

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Solution

The fourth proportional to 458,740.35, 688,110.53 and 458,740.35 is: 688,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,740.35 : 688,110.53 = 458,740.35 : x
  2. Step 2: Convert to fraction form
    458,740.35/688,110.53 = 458,740.35/x
  3. Step 3: Cross multiply
    458,740.35x = 688,110.53 × 458,740.35
  4. Step 4: Simplify right side
    458,740.35x = 315,664,063,077.18
  5. Step 5: Solve for x
    x = 315,664,063,077.18/458,740.35
  6. Step 6: Final answer
    x = 688,110.53

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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.