Home / 657,260.10-986,218.20-373,168.80

Finding the Fourth Proportional to 657,260.10, 986,218.20 and 373,168.80

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Solution

The fourth proportional to 657,260.10, 986,218.20 and 373,168.80 is: 559,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,260.10 : 986,218.20 = 373,168.80 : x
  2. Step 2: Convert to fraction form
    657,260.10/986,218.20 = 373,168.80/x
  3. Step 3: Cross multiply
    657,260.10x = 986,218.20 × 373,168.80
  4. Step 4: Simplify right side
    657,260.10x = 368,025,862,232.16
  5. Step 5: Solve for x
    x = 368,025,862,232.16/657,260.10
  6. Step 6: Final answer
    x = 559,939.46

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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.