Home / 779,432.76-1,169,271.42-330,154.92

Finding the Fourth Proportional to 779,432.76, 1,169,271.42 and 330,154.92

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Solution

The fourth proportional to 779,432.76, 1,169,271.42 and 330,154.92 is: 495,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,432.76 : 1,169,271.42 = 330,154.92 : x
  2. Step 2: Convert to fraction form
    779,432.76/1,169,271.42 = 330,154.92/x
  3. Step 3: Cross multiply
    779,432.76x = 1,169,271.42 × 330,154.92
  4. Step 4: Simplify right side
    779,432.76x = 386,040,712,128.39
  5. Step 5: Solve for x
    x = 386,040,712,128.39/779,432.76
  6. Step 6: Final answer
    x = 495,284.18

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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.