Home / 961,985.20-1,442,637.60-330,752.20

Finding the Fourth Proportional to 961,985.20, 1,442,637.60 and 330,752.20

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Solution

The fourth proportional to 961,985.20, 1,442,637.60 and 330,752.20 is: 496,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,985.20 : 1,442,637.60 = 330,752.20 : x
  2. Step 2: Convert to fraction form
    961,985.20/1,442,637.60 = 330,752.20/x
  3. Step 3: Cross multiply
    961,985.20x = 1,442,637.60 × 330,752.20
  4. Step 4: Simplify right side
    961,985.20x = 477,155,560,002.72
  5. Step 5: Solve for x
    x = 477,155,560,002.72/961,985.20
  6. Step 6: Final answer
    x = 496,011.33

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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.