Home / 779,915.20-1,168,951.20-330,635.20

Finding the Fourth Proportional to 779,915.20, 1,168,951.20 and 330,635.20

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Solution

The fourth proportional to 779,915.20, 1,168,951.20 and 330,635.20 is: 495,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,915.20 : 1,168,951.20 = 330,635.20 : x
  2. Step 2: Convert to fraction form
    779,915.20/1,168,951.20 = 330,635.20/x
  3. Step 3: Cross multiply
    779,915.20x = 1,168,951.20 × 330,635.20
  4. Step 4: Simplify right side
    779,915.20x = 386,496,413,802.24
  5. Step 5: Solve for x
    x = 386,496,413,802.24/779,915.20
  6. Step 6: Final answer
    x = 495,562.10

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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.