Home / 540,581.83-745,878.92-322,748.05

Finding the Fourth Proportional to 540,581.83, 745,878.92 and 322,748.05

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Solution

The fourth proportional to 540,581.83, 745,878.92 and 322,748.05 is: 445,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,581.83 : 745,878.92 = 322,748.05 : x
  2. Step 2: Convert to fraction form
    540,581.83/745,878.92 = 322,748.05/x
  3. Step 3: Cross multiply
    540,581.83x = 745,878.92 × 322,748.05
  4. Step 4: Simplify right side
    540,581.83x = 240,730,965,352.37
  5. Step 5: Solve for x
    x = 240,730,965,352.37/540,581.83
  6. Step 6: Final answer
    x = 445,318.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.