Home / 963,020.80-1,444,531.20-490,628.80

Finding the Fourth Proportional to 963,020.80, 1,444,531.20 and 490,628.80

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Solution

The fourth proportional to 963,020.80, 1,444,531.20 and 490,628.80 is: 735,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,020.80 : 1,444,531.20 = 490,628.80 : x
  2. Step 2: Convert to fraction form
    963,020.80/1,444,531.20 = 490,628.80/x
  3. Step 3: Cross multiply
    963,020.80x = 1,444,531.20 × 490,628.80
  4. Step 4: Simplify right side
    963,020.80x = 708,728,609,218.56
  5. Step 5: Solve for x
    x = 708,728,609,218.56/963,020.80
  6. Step 6: Final answer
    x = 735,943.20

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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.