Home / 385,069.80-577,604.70-324,244.20

Finding the Fourth Proportional to 385,069.80, 577,604.70 and 324,244.20

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Solution

The fourth proportional to 385,069.80, 577,604.70 and 324,244.20 is: 486,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,069.80 : 577,604.70 = 324,244.20 : x
  2. Step 2: Convert to fraction form
    385,069.80/577,604.70 = 324,244.20/x
  3. Step 3: Cross multiply
    385,069.80x = 577,604.70 × 324,244.20
  4. Step 4: Simplify right side
    385,069.80x = 187,284,973,867.74
  5. Step 5: Solve for x
    x = 187,284,973,867.74/385,069.80
  6. Step 6: Final answer
    x = 486,366.30

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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.