Home / 772,899-1,159,472.40-240,543.12

Finding the Fourth Proportional to 772,899, 1,159,472.40 and 240,543.12

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Solution

The fourth proportional to 772,899, 1,159,472.40 and 240,543.12 is: 360,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,899 : 1,159,472.40 = 240,543.12 : x
  2. Step 2: Convert to fraction form
    772,899/1,159,472.40 = 240,543.12/x
  3. Step 3: Cross multiply
    772,899x = 1,159,472.40 × 240,543.12
  4. Step 4: Simplify right side
    772,899x = 278,903,108,649.89
  5. Step 5: Solve for x
    x = 278,903,108,649.89/772,899
  6. Step 6: Final answer
    x = 360,853.24

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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.