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Finding the Fourth Proportional to 539,340.12, 744,360.84 and 324,599.40

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Solution

The fourth proportional to 539,340.12, 744,360.84 and 324,599.40 is: 447,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,340.12 : 744,360.84 = 324,599.40 : x
  2. Step 2: Convert to fraction form
    539,340.12/744,360.84 = 324,599.40/x
  3. Step 3: Cross multiply
    539,340.12x = 744,360.84 × 324,599.40
  4. Step 4: Simplify right side
    539,340.12x = 241,619,082,047.50
  5. Step 5: Solve for x
    x = 241,619,082,047.50/539,340.12
  6. Step 6: Final answer
    x = 447,990.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.