Home / 945,542.67-1,304,851.96-515,831.80

Finding the Fourth Proportional to 945,542.67, 1,304,851.96 and 515,831.80

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Solution

The fourth proportional to 945,542.67, 1,304,851.96 and 515,831.80 is: 711,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,542.67 : 1,304,851.96 = 515,831.80 : x
  2. Step 2: Convert to fraction form
    945,542.67/1,304,851.96 = 515,831.80/x
  3. Step 3: Cross multiply
    945,542.67x = 1,304,851.96 × 515,831.80
  4. Step 4: Simplify right side
    945,542.67x = 673,084,132,681.17
  5. Step 5: Solve for x
    x = 673,084,132,681.17/945,542.67
  6. Step 6: Final answer
    x = 711,849.56

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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.