Home / 710,177.06-980,065.78-387,904.52

Finding the Fourth Proportional to 710,177.06, 980,065.78 and 387,904.52

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Solution

The fourth proportional to 710,177.06, 980,065.78 and 387,904.52 is: 535,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,177.06 : 980,065.78 = 387,904.52 : x
  2. Step 2: Convert to fraction form
    710,177.06/980,065.78 = 387,904.52/x
  3. Step 3: Cross multiply
    710,177.06x = 980,065.78 × 387,904.52
  4. Step 4: Simplify right side
    710,177.06x = 380,171,945,959.33
  5. Step 5: Solve for x
    x = 380,171,945,959.33/710,177.06
  6. Step 6: Final answer
    x = 535,319.95

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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.