Home / 915,474.45-1,263,304.15-507,552.48

Finding the Fourth Proportional to 915,474.45, 1,263,304.15 and 507,552.48

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Solution

The fourth proportional to 915,474.45, 1,263,304.15 and 507,552.48 is: 700,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,474.45 : 1,263,304.15 = 507,552.48 : x
  2. Step 2: Convert to fraction form
    915,474.45/1,263,304.15 = 507,552.48/x
  3. Step 3: Cross multiply
    915,474.45x = 1,263,304.15 × 507,552.48
  4. Step 4: Simplify right side
    915,474.45x = 641,193,153,057.91
  5. Step 5: Solve for x
    x = 641,193,153,057.91/915,474.45
  6. Step 6: Final answer
    x = 700,394.37

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Double scale
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1.5x scale

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.