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Finding the Fourth Proportional to 547,530.16, 755,947.20 and 490,069.84

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Solution

The fourth proportional to 547,530.16, 755,947.20 and 490,069.84 is: 676,614.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,530.16 : 755,947.20 = 490,069.84 : x
  2. Step 2: Convert to fraction form
    547,530.16/755,947.20 = 490,069.84/x
  3. Step 3: Cross multiply
    547,530.16x = 755,947.20 × 490,069.84
  4. Step 4: Simplify right side
    547,530.16x = 370,466,923,352.45
  5. Step 5: Solve for x
    x = 370,466,923,352.45/547,530.16
  6. Step 6: Final answer
    x = 676,614.64

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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.