Home / 867,773.20-1,301,659.80-657,821.20

Finding the Fourth Proportional to 867,773.20, 1,301,659.80 and 657,821.20

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Solution

The fourth proportional to 867,773.20, 1,301,659.80 and 657,821.20 is: 986,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,773.20 : 1,301,659.80 = 657,821.20 : x
  2. Step 2: Convert to fraction form
    867,773.20/1,301,659.80 = 657,821.20/x
  3. Step 3: Cross multiply
    867,773.20x = 1,301,659.80 × 657,821.20
  4. Step 4: Simplify right side
    867,773.20x = 856,259,411,627.76
  5. Step 5: Solve for x
    x = 856,259,411,627.76/867,773.20
  6. Step 6: Final answer
    x = 986,731.80

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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.