Home / 724,666.80-1,086,568.20-444,385.20

Finding the Fourth Proportional to 724,666.80, 1,086,568.20 and 444,385.20

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Solution

The fourth proportional to 724,666.80, 1,086,568.20 and 444,385.20 is: 666,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,666.80 : 1,086,568.20 = 444,385.20 : x
  2. Step 2: Convert to fraction form
    724,666.80/1,086,568.20 = 444,385.20/x
  3. Step 3: Cross multiply
    724,666.80x = 1,086,568.20 × 444,385.20
  4. Step 4: Simplify right side
    724,666.80x = 482,854,826,870.64
  5. Step 5: Solve for x
    x = 482,854,826,870.64/724,666.80
  6. Step 6: Final answer
    x = 666,312.89

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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.