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Finding the Fourth Proportional to 599,888.36, 900,057.18 and 311,520.28

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Solution

The fourth proportional to 599,888.36, 900,057.18 and 311,520.28 is: 467,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,888.36 : 900,057.18 = 311,520.28 : x
  2. Step 2: Convert to fraction form
    599,888.36/900,057.18 = 311,520.28/x
  3. Step 3: Cross multiply
    599,888.36x = 900,057.18 × 311,520.28
  4. Step 4: Simplify right side
    599,888.36x = 280,386,064,729.61
  5. Step 5: Solve for x
    x = 280,386,064,729.61/599,888.36
  6. Step 6: Final answer
    x = 467,397.07

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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.