Home / 658,205.60-984,812.40-437,021.60

Finding the Fourth Proportional to 658,205.60, 984,812.40 and 437,021.60

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Solution

The fourth proportional to 658,205.60, 984,812.40 and 437,021.60 is: 653,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,205.60 : 984,812.40 = 437,021.60 : x
  2. Step 2: Convert to fraction form
    658,205.60/984,812.40 = 437,021.60/x
  3. Step 3: Cross multiply
    658,205.60x = 984,812.40 × 437,021.60
  4. Step 4: Simplify right side
    658,205.60x = 430,384,290,747.84
  5. Step 5: Solve for x
    x = 430,384,290,747.84/658,205.60
  6. Step 6: Final answer
    x = 653,875.16

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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.