Home / 677,945.02-935,561.55-372,026.47

Finding the Fourth Proportional to 677,945.02, 935,561.55 and 372,026.47

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Solution

The fourth proportional to 677,945.02, 935,561.55 and 372,026.47 is: 513,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,945.02 : 935,561.55 = 372,026.47 : x
  2. Step 2: Convert to fraction form
    677,945.02/935,561.55 = 372,026.47/x
  3. Step 3: Cross multiply
    677,945.02x = 935,561.55 × 372,026.47
  4. Step 4: Simplify right side
    677,945.02x = 348,053,660,914.23
  5. Step 5: Solve for x
    x = 348,053,660,914.23/677,945.02
  6. Step 6: Final answer
    x = 513,395.11

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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.