Home / 566,281.39-781,468.44-311,632.58

Finding the Fourth Proportional to 566,281.39, 781,468.44 and 311,632.58

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Solution

The fourth proportional to 566,281.39, 781,468.44 and 311,632.58 is: 430,053.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,281.39 : 781,468.44 = 311,632.58 : x
  2. Step 2: Convert to fraction form
    566,281.39/781,468.44 = 311,632.58/x
  3. Step 3: Cross multiply
    566,281.39x = 781,468.44 × 311,632.58
  4. Step 4: Simplify right side
    566,281.39x = 243,531,026,145.78
  5. Step 5: Solve for x
    x = 243,531,026,145.78/566,281.39
  6. Step 6: Final answer
    x = 430,053.03

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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.