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Finding the Fourth Proportional to 566,353.07, 781,567.22 and 311,704.25

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Solution

The fourth proportional to 566,353.07, 781,567.22 and 311,704.25 is: 430,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,353.07 : 781,567.22 = 311,704.25 : x
  2. Step 2: Convert to fraction form
    566,353.07/781,567.22 = 311,704.25/x
  3. Step 3: Cross multiply
    566,353.07x = 781,567.22 × 311,704.25
  4. Step 4: Simplify right side
    566,353.07x = 243,617,818,668.33
  5. Step 5: Solve for x
    x = 243,617,818,668.33/566,353.07
  6. Step 6: Final answer
    x = 430,151.85

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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.