Home / 925,388.40-1,277,039.44-538,296.72

Finding the Fourth Proportional to 925,388.40, 1,277,039.44 and 538,296.72

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Solution

The fourth proportional to 925,388.40, 1,277,039.44 and 538,296.72 is: 742,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,388.40 : 1,277,039.44 = 538,296.72 : x
  2. Step 2: Convert to fraction form
    925,388.40/1,277,039.44 = 538,296.72/x
  3. Step 3: Cross multiply
    925,388.40x = 1,277,039.44 × 538,296.72
  4. Step 4: Simplify right side
    925,388.40x = 687,426,141,862.64
  5. Step 5: Solve for x
    x = 687,426,141,862.64/925,388.40
  6. Step 6: Final answer
    x = 742,851.48

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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.