Home / 915,612.60-1,374,002.10-536,532.60

Finding the Fourth Proportional to 915,612.60, 1,374,002.10 and 536,532.60

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Solution

The fourth proportional to 915,612.60, 1,374,002.10 and 536,532.60 is: 805,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,612.60 : 1,374,002.10 = 536,532.60 : x
  2. Step 2: Convert to fraction form
    915,612.60/1,374,002.10 = 536,532.60/x
  3. Step 3: Cross multiply
    915,612.60x = 1,374,002.10 × 536,532.60
  4. Step 4: Simplify right side
    915,612.60x = 737,196,919,118.46
  5. Step 5: Solve for x
    x = 737,196,919,118.46/915,612.60
  6. Step 6: Final answer
    x = 805,140.64

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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.