Home / 847,812.60-1,274,671.35-717,904.80

Finding the Fourth Proportional to 847,812.60, 1,274,671.35 and 717,904.80

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Solution

The fourth proportional to 847,812.60, 1,274,671.35 and 717,904.80 is: 1,079,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,812.60 : 1,274,671.35 = 717,904.80 : x
  2. Step 2: Convert to fraction form
    847,812.60/1,274,671.35 = 717,904.80/x
  3. Step 3: Cross multiply
    847,812.60x = 1,274,671.35 × 717,904.80
  4. Step 4: Simplify right side
    847,812.60x = 915,092,680,587.48
  5. Step 5: Solve for x
    x = 915,092,680,587.48/847,812.60
  6. Step 6: Final answer
    x = 1,079,357.25

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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.