Home / 475,640.37-656,386.34-284,606.73

Finding the Fourth Proportional to 475,640.37, 656,386.34 and 284,606.73

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Solution

The fourth proportional to 475,640.37, 656,386.34 and 284,606.73 is: 392,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,640.37 : 656,386.34 = 284,606.73 : x
  2. Step 2: Convert to fraction form
    475,640.37/656,386.34 = 284,606.73/x
  3. Step 3: Cross multiply
    475,640.37x = 656,386.34 × 284,606.73
  4. Step 4: Simplify right side
    475,640.37x = 186,811,968,421.04
  5. Step 5: Solve for x
    x = 186,811,968,421.04/475,640.37
  6. Step 6: Final answer
    x = 392,758.86

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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.