Home / 723,712.74-1,086,074.55-297,281.22

Finding the Fourth Proportional to 723,712.74, 1,086,074.55 and 297,281.22

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Solution

The fourth proportional to 723,712.74, 1,086,074.55 and 297,281.22 is: 446,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,712.74 : 1,086,074.55 = 297,281.22 : x
  2. Step 2: Convert to fraction form
    723,712.74/1,086,074.55 = 297,281.22/x
  3. Step 3: Cross multiply
    723,712.74x = 1,086,074.55 × 297,281.22
  4. Step 4: Simplify right side
    723,712.74x = 322,869,567,234.95
  5. Step 5: Solve for x
    x = 322,869,567,234.95/723,712.74
  6. Step 6: Final answer
    x = 446,129.45

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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.