Home / 779,712.80-1,170,225.30-306,737.60

Finding the Fourth Proportional to 779,712.80, 1,170,225.30 and 306,737.60

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Solution

The fourth proportional to 779,712.80, 1,170,225.30 and 306,737.60 is: 460,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,712.80 : 1,170,225.30 = 306,737.60 : x
  2. Step 2: Convert to fraction form
    779,712.80/1,170,225.30 = 306,737.60/x
  3. Step 3: Cross multiply
    779,712.80x = 1,170,225.30 × 306,737.60
  4. Step 4: Simplify right side
    779,712.80x = 358,952,099,981.28
  5. Step 5: Solve for x
    x = 358,952,099,981.28/779,712.80
  6. Step 6: Final answer
    x = 460,364.51

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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.