Home / 779,276.60-1,168,914.90-621,812.60

Finding the Fourth Proportional to 779,276.60, 1,168,914.90 and 621,812.60

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Solution

The fourth proportional to 779,276.60, 1,168,914.90 and 621,812.60 is: 932,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,276.60 : 1,168,914.90 = 621,812.60 : x
  2. Step 2: Convert to fraction form
    779,276.60/1,168,914.90 = 621,812.60/x
  3. Step 3: Cross multiply
    779,276.60x = 1,168,914.90 × 621,812.60
  4. Step 4: Simplify right side
    779,276.60x = 726,846,013,147.74
  5. Step 5: Solve for x
    x = 726,846,013,147.74/779,276.60
  6. Step 6: Final answer
    x = 932,718.90

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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.