Home / 779,101.76-1,169,315.76-306,117.92

Finding the Fourth Proportional to 779,101.76, 1,169,315.76 and 306,117.92

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Solution

The fourth proportional to 779,101.76, 1,169,315.76 and 306,117.92 is: 459,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,101.76 : 1,169,315.76 = 306,117.92 : x
  2. Step 2: Convert to fraction form
    779,101.76/1,169,315.76 = 306,117.92/x
  3. Step 3: Cross multiply
    779,101.76x = 1,169,315.76 × 306,117.92
  4. Step 4: Simplify right side
    779,101.76x = 357,948,508,274.42
  5. Step 5: Solve for x
    x = 357,948,508,274.42/779,101.76
  6. Step 6: Final answer
    x = 459,437.43

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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.