Home / 484,811.40-727,217.10-297,928.20

Finding the Fourth Proportional to 484,811.40, 727,217.10 and 297,928.20

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Solution

The fourth proportional to 484,811.40, 727,217.10 and 297,928.20 is: 446,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,811.40 : 727,217.10 = 297,928.20 : x
  2. Step 2: Convert to fraction form
    484,811.40/727,217.10 = 297,928.20/x
  3. Step 3: Cross multiply
    484,811.40x = 727,217.10 × 297,928.20
  4. Step 4: Simplify right side
    484,811.40x = 216,658,481,612.22
  5. Step 5: Solve for x
    x = 216,658,481,612.22/484,811.40
  6. Step 6: Final answer
    x = 446,892.30

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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.