Home / 747,802.60-1,121,574.30-274,244.20

Finding the Fourth Proportional to 747,802.60, 1,121,574.30 and 274,244.20

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Solution

The fourth proportional to 747,802.60, 1,121,574.30 and 274,244.20 is: 411,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,802.60 : 1,121,574.30 = 274,244.20 : x
  2. Step 2: Convert to fraction form
    747,802.60/1,121,574.30 = 274,244.20/x
  3. Step 3: Cross multiply
    747,802.60x = 1,121,574.30 × 274,244.20
  4. Step 4: Simplify right side
    747,802.60x = 307,585,246,644.06
  5. Step 5: Solve for x
    x = 307,585,246,644.06/747,802.60
  6. Step 6: Final answer
    x = 411,318.77

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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.