Home / 679,737.78-938,062.22-373,837.81

Finding the Fourth Proportional to 679,737.78, 938,062.22 and 373,837.81

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Solution

The fourth proportional to 679,737.78, 938,062.22 and 373,837.81 is: 515,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,737.78 : 938,062.22 = 373,837.81 : x
  2. Step 2: Convert to fraction form
    679,737.78/938,062.22 = 373,837.81/x
  3. Step 3: Cross multiply
    679,737.78x = 938,062.22 × 373,837.81
  4. Step 4: Simplify right side
    679,737.78x = 350,683,125,968.54
  5. Step 5: Solve for x
    x = 350,683,125,968.54/679,737.78
  6. Step 6: Final answer
    x = 515,909.42

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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.