Home / 915,761.25-1,263,750.53-507,925.55

Finding the Fourth Proportional to 915,761.25, 1,263,750.53 and 507,925.55

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Solution

The fourth proportional to 915,761.25, 1,263,750.53 and 507,925.55 is: 700,937.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,761.25 : 1,263,750.53 = 507,925.55 : x
  2. Step 2: Convert to fraction form
    915,761.25/1,263,750.53 = 507,925.55/x
  3. Step 3: Cross multiply
    915,761.25x = 1,263,750.53 × 507,925.55
  4. Step 4: Simplify right side
    915,761.25x = 641,891,183,632.79
  5. Step 5: Solve for x
    x = 641,891,183,632.79/915,761.25
  6. Step 6: Final answer
    x = 700,937.26

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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.