Home / 915,691.55-1,263,630.38-507,792.35

Finding the Fourth Proportional to 915,691.55, 1,263,630.38 and 507,792.35

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Solution

The fourth proportional to 915,691.55, 1,263,630.38 and 507,792.35 is: 700,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,691.55 : 1,263,630.38 = 507,792.35 : x
  2. Step 2: Convert to fraction form
    915,691.55/1,263,630.38 = 507,792.35/x
  3. Step 3: Cross multiply
    915,691.55x = 1,263,630.38 × 507,792.35
  4. Step 4: Simplify right side
    915,691.55x = 641,661,831,334.48
  5. Step 5: Solve for x
    x = 641,661,831,334.48/915,691.55
  6. Step 6: Final answer
    x = 700,740.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.