Home / 779,820.88-1,169,842.76-240,122.74

Finding the Fourth Proportional to 779,820.88, 1,169,842.76 and 240,122.74

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Solution

The fourth proportional to 779,820.88, 1,169,842.76 and 240,122.74 is: 360,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,820.88 : 1,169,842.76 = 240,122.74 : x
  2. Step 2: Convert to fraction form
    779,820.88/1,169,842.76 = 240,122.74/x
  3. Step 3: Cross multiply
    779,820.88x = 1,169,842.76 × 240,122.74
  4. Step 4: Simplify right side
    779,820.88x = 280,905,849,500.67
  5. Step 5: Solve for x
    x = 280,905,849,500.67/779,820.88
  6. Step 6: Final answer
    x = 360,218.43

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1.5x scale

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.