Home / 566,731.89-781,884.59-321,574.68

Finding the Fourth Proportional to 566,731.89, 781,884.59 and 321,574.68

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Solution

The fourth proportional to 566,731.89, 781,884.59 and 321,574.68 is: 443,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,731.89 : 781,884.59 = 321,574.68 : x
  2. Step 2: Convert to fraction form
    566,731.89/781,884.59 = 321,574.68/x
  3. Step 3: Cross multiply
    566,731.89x = 781,884.59 × 321,574.68
  4. Step 4: Simplify right side
    566,731.89x = 251,434,285,218.31
  5. Step 5: Solve for x
    x = 251,434,285,218.31/566,731.89
  6. Step 6: Final answer
    x = 443,656.50

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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.