Home / 437,002.80-655,504.20-304,292.40

Finding the Fourth Proportional to 437,002.80, 655,504.20 and 304,292.40

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Solution

The fourth proportional to 437,002.80, 655,504.20 and 304,292.40 is: 456,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,002.80 : 655,504.20 = 304,292.40 : x
  2. Step 2: Convert to fraction form
    437,002.80/655,504.20 = 304,292.40/x
  3. Step 3: Cross multiply
    437,002.80x = 655,504.20 × 304,292.40
  4. Step 4: Simplify right side
    437,002.80x = 199,464,946,228.08
  5. Step 5: Solve for x
    x = 199,464,946,228.08/437,002.80
  6. Step 6: Final answer
    x = 456,438.60

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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.