Home / 566,328.69-781,357.59-321,273.05

Finding the Fourth Proportional to 566,328.69, 781,357.59 and 321,273.05

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Solution

The fourth proportional to 566,328.69, 781,357.59 and 321,273.05 is: 443,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,328.69 : 781,357.59 = 321,273.05 : x
  2. Step 2: Convert to fraction form
    566,328.69/781,357.59 = 321,273.05/x
  3. Step 3: Cross multiply
    566,328.69x = 781,357.59 × 321,273.05
  4. Step 4: Simplify right side
    566,328.69x = 251,029,132,173.16
  5. Step 5: Solve for x
    x = 251,029,132,173.16/566,328.69
  6. Step 6: Final answer
    x = 443,256.96

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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.