Home / 963,012.80-1,444,519.20-490,620.80

Finding the Fourth Proportional to 963,012.80, 1,444,519.20 and 490,620.80

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Solution

The fourth proportional to 963,012.80, 1,444,519.20 and 490,620.80 is: 735,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,012.80 : 1,444,519.20 = 490,620.80 : x
  2. Step 2: Convert to fraction form
    963,012.80/1,444,519.20 = 490,620.80/x
  3. Step 3: Cross multiply
    963,012.80x = 1,444,519.20 × 490,620.80
  4. Step 4: Simplify right side
    963,012.80x = 708,711,165,519.36
  5. Step 5: Solve for x
    x = 708,711,165,519.36/963,012.80
  6. Step 6: Final answer
    x = 735,931.20

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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.