Home / 556,719.48-834,670.31-177,421.86

Finding the Fourth Proportional to 556,719.48, 834,670.31 and 177,421.86

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Solution

The fourth proportional to 556,719.48, 834,670.31 and 177,421.86 is: 266,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,719.48 : 834,670.31 = 177,421.86 : x
  2. Step 2: Convert to fraction form
    556,719.48/834,670.31 = 177,421.86/x
  3. Step 3: Cross multiply
    556,719.48x = 834,670.31 × 177,421.86
  4. Step 4: Simplify right side
    556,719.48x = 148,088,757,999.87
  5. Step 5: Solve for x
    x = 148,088,757,999.87/556,719.48
  6. Step 6: Final answer
    x = 266,002.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.