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Finding the Fourth Proportional to 599,497.40, 898,986.90 and 299,862.20

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Solution

The fourth proportional to 599,497.40, 898,986.90 and 299,862.20 is: 449,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,497.40 : 898,986.90 = 299,862.20 : x
  2. Step 2: Convert to fraction form
    599,497.40/898,986.90 = 299,862.20/x
  3. Step 3: Cross multiply
    599,497.40x = 898,986.90 × 299,862.20
  4. Step 4: Simplify right side
    599,497.40x = 269,572,189,605.18
  5. Step 5: Solve for x
    x = 269,572,189,605.18/599,497.40
  6. Step 6: Final answer
    x = 449,663.65

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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.