Home / 905,877.93-1,250,127.36-497,996.97

Finding the Fourth Proportional to 905,877.93, 1,250,127.36 and 497,996.97

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Solution

The fourth proportional to 905,877.93, 1,250,127.36 and 497,996.97 is: 687,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,877.93 : 1,250,127.36 = 497,996.97 : x
  2. Step 2: Convert to fraction form
    905,877.93/1,250,127.36 = 497,996.97/x
  3. Step 3: Cross multiply
    905,877.93x = 1,250,127.36 × 497,996.97
  4. Step 4: Simplify right side
    905,877.93x = 622,559,637,394.10
  5. Step 5: Solve for x
    x = 622,559,637,394.10/905,877.93
  6. Step 6: Final answer
    x = 687,244.51

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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.