Home / 653,250.36-980,153.28-316,541.76

Finding the Fourth Proportional to 653,250.36, 980,153.28 and 316,541.76

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Solution

The fourth proportional to 653,250.36, 980,153.28 and 316,541.76 is: 474,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,250.36 : 980,153.28 = 316,541.76 : x
  2. Step 2: Convert to fraction form
    653,250.36/980,153.28 = 316,541.76/x
  3. Step 3: Cross multiply
    653,250.36x = 980,153.28 × 316,541.76
  4. Step 4: Simplify right side
    653,250.36x = 310,259,444,320.97
  5. Step 5: Solve for x
    x = 310,259,444,320.97/653,250.36
  6. Step 6: Final answer
    x = 474,947.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.