Home / 709,823.20-1,064,734.80-551,192.80

Finding the Fourth Proportional to 709,823.20, 1,064,734.80 and 551,192.80

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Solution

The fourth proportional to 709,823.20, 1,064,734.80 and 551,192.80 is: 826,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,823.20 : 1,064,734.80 = 551,192.80 : x
  2. Step 2: Convert to fraction form
    709,823.20/1,064,734.80 = 551,192.80/x
  3. Step 3: Cross multiply
    709,823.20x = 1,064,734.80 × 551,192.80
  4. Step 4: Simplify right side
    709,823.20x = 586,874,155,669.44
  5. Step 5: Solve for x
    x = 586,874,155,669.44/709,823.20
  6. Step 6: Final answer
    x = 826,789.20

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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.