Home / 758,814.38-1,138,345.10-354,411

Finding the Fourth Proportional to 758,814.38, 1,138,345.10 and 354,411

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Solution

The fourth proportional to 758,814.38, 1,138,345.10 and 354,411 is: 531,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,814.38 : 1,138,345.10 = 354,411 : x
  2. Step 2: Convert to fraction form
    758,814.38/1,138,345.10 = 354,411/x
  3. Step 3: Cross multiply
    758,814.38x = 1,138,345.10 × 354,411
  4. Step 4: Simplify right side
    758,814.38x = 403,442,025,236.10
  5. Step 5: Solve for x
    x = 403,442,025,236.10/758,814.38
  6. Step 6: Final answer
    x = 531,674.20

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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.