Home / 925,031.07-1,276,552.40-517,155.57

Finding the Fourth Proportional to 925,031.07, 1,276,552.40 and 517,155.57

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Solution

The fourth proportional to 925,031.07, 1,276,552.40 and 517,155.57 is: 713,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,031.07 : 1,276,552.40 = 517,155.57 : x
  2. Step 2: Convert to fraction form
    925,031.07/1,276,552.40 = 517,155.57/x
  3. Step 3: Cross multiply
    925,031.07x = 1,276,552.40 × 517,155.57
  4. Step 4: Simplify right side
    925,031.07x = 660,176,181,471.09
  5. Step 5: Solve for x
    x = 660,176,181,471.09/925,031.07
  6. Step 6: Final answer
    x = 713,680.01

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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.