Home / 479,541.79-719,328.13-251,779.71

Finding the Fourth Proportional to 479,541.79, 719,328.13 and 251,779.71

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Solution

The fourth proportional to 479,541.79, 719,328.13 and 251,779.71 is: 377,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,541.79 : 719,328.13 = 251,779.71 : x
  2. Step 2: Convert to fraction form
    479,541.79/719,328.13 = 251,779.71/x
  3. Step 3: Cross multiply
    479,541.79x = 719,328.13 × 251,779.71
  4. Step 4: Simplify right side
    479,541.79x = 181,112,230,034.27
  5. Step 5: Solve for x
    x = 181,112,230,034.27/479,541.79
  6. Step 6: Final answer
    x = 377,677.68

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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.