Home / 779,600.12-1,169,476.50-324,097.16

Finding the Fourth Proportional to 779,600.12, 1,169,476.50 and 324,097.16

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Solution

The fourth proportional to 779,600.12, 1,169,476.50 and 324,097.16 is: 486,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,600.12 : 1,169,476.50 = 324,097.16 : x
  2. Step 2: Convert to fraction form
    779,600.12/1,169,476.50 = 324,097.16/x
  3. Step 3: Cross multiply
    779,600.12x = 1,169,476.50 × 324,097.16
  4. Step 4: Simplify right side
    779,600.12x = 379,024,012,336.74
  5. Step 5: Solve for x
    x = 379,024,012,336.74/779,600.12
  6. Step 6: Final answer
    x = 486,177.47

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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.