Home / 540,581.58-745,878.57-322,747.80

Finding the Fourth Proportional to 540,581.58, 745,878.57 and 322,747.80

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Solution

The fourth proportional to 540,581.58, 745,878.57 and 322,747.80 is: 445,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,581.58 : 745,878.57 = 322,747.80 : x
  2. Step 2: Convert to fraction form
    540,581.58/745,878.57 = 322,747.80/x
  3. Step 3: Cross multiply
    540,581.58x = 745,878.57 × 322,747.80
  4. Step 4: Simplify right side
    540,581.58x = 240,730,667,534.65
  5. Step 5: Solve for x
    x = 240,730,667,534.65/540,581.58
  6. Step 6: Final answer
    x = 445,317.93

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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.