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Finding the Fourth Proportional to 566,272.48, 781,489.73 and 324,570.71

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Solution

The fourth proportional to 566,272.48, 781,489.73 and 324,570.71 is: 447,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,272.48 : 781,489.73 = 324,570.71 : x
  2. Step 2: Convert to fraction form
    566,272.48/781,489.73 = 324,570.71/x
  3. Step 3: Cross multiply
    566,272.48x = 781,489.73 × 324,570.71
  4. Step 4: Simplify right side
    566,272.48x = 253,648,670,993.51
  5. Step 5: Solve for x
    x = 253,648,670,993.51/566,272.48
  6. Step 6: Final answer
    x = 447,926.89

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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.