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Finding the Fourth Proportional to 880,480.60, 1,321,304.10 and 501,400.60

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Solution

The fourth proportional to 880,480.60, 1,321,304.10 and 501,400.60 is: 752,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,480.60 : 1,321,304.10 = 501,400.60 : x
  2. Step 2: Convert to fraction form
    880,480.60/1,321,304.10 = 501,400.60/x
  3. Step 3: Cross multiply
    880,480.60x = 1,321,304.10 × 501,400.60
  4. Step 4: Simplify right side
    880,480.60x = 662,502,668,522.46
  5. Step 5: Solve for x
    x = 662,502,668,522.46/880,480.60
  6. Step 6: Final answer
    x = 752,433.01

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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.