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Finding the Fourth Proportional to 506,781.60, 760,172.40 and 270,002.40

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Solution

The fourth proportional to 506,781.60, 760,172.40 and 270,002.40 is: 405,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,781.60 : 760,172.40 = 270,002.40 : x
  2. Step 2: Convert to fraction form
    506,781.60/760,172.40 = 270,002.40/x
  3. Step 3: Cross multiply
    506,781.60x = 760,172.40 × 270,002.40
  4. Step 4: Simplify right side
    506,781.60x = 205,248,372,413.76
  5. Step 5: Solve for x
    x = 205,248,372,413.76/506,781.60
  6. Step 6: Final answer
    x = 405,003.60

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Similar ratio
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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.