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Finding the Fourth Proportional to 540,019.74, 745,196.40 and 322,473.93

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Solution

The fourth proportional to 540,019.74, 745,196.40 and 322,473.93 is: 444,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,019.74 : 745,196.40 = 322,473.93 : x
  2. Step 2: Convert to fraction form
    540,019.74/745,196.40 = 322,473.93/x
  3. Step 3: Cross multiply
    540,019.74x = 745,196.40 × 322,473.93
  4. Step 4: Simplify right side
    540,019.74x = 240,306,411,729.85
  5. Step 5: Solve for x
    x = 240,306,411,729.85/540,019.74
  6. Step 6: Final answer
    x = 444,995.61

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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.