Home / 988,422.60-1,364,047.02-558,704.28

Finding the Fourth Proportional to 988,422.60, 1,364,047.02 and 558,704.28

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Solution

The fourth proportional to 988,422.60, 1,364,047.02 and 558,704.28 is: 771,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,422.60 : 1,364,047.02 = 558,704.28 : x
  2. Step 2: Convert to fraction form
    988,422.60/1,364,047.02 = 558,704.28/x
  3. Step 3: Cross multiply
    988,422.60x = 1,364,047.02 × 558,704.28
  4. Step 4: Simplify right side
    988,422.60x = 762,098,908,195.25
  5. Step 5: Solve for x
    x = 762,098,908,195.25/988,422.60
  6. Step 6: Final answer
    x = 771,025.38

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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.