Home / 880,147.79-1,320,427.62-272,904.15

Finding the Fourth Proportional to 880,147.79, 1,320,427.62 and 272,904.15

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Solution

The fourth proportional to 880,147.79, 1,320,427.62 and 272,904.15 is: 409,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,147.79 : 1,320,427.62 = 272,904.15 : x
  2. Step 2: Convert to fraction form
    880,147.79/1,320,427.62 = 272,904.15/x
  3. Step 3: Cross multiply
    880,147.79x = 1,320,427.62 × 272,904.15
  4. Step 4: Simplify right side
    880,147.79x = 360,350,177,272.62
  5. Step 5: Solve for x
    x = 360,350,177,272.62/880,147.79
  6. Step 6: Final answer
    x = 409,420.08

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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.