Home / 853,445.05-1,280,797.47-404,165.05

Finding the Fourth Proportional to 853,445.05, 1,280,797.47 and 404,165.05

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Solution

The fourth proportional to 853,445.05, 1,280,797.47 and 404,165.05 is: 606,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,445.05 : 1,280,797.47 = 404,165.05 : x
  2. Step 2: Convert to fraction form
    853,445.05/1,280,797.47 = 404,165.05/x
  3. Step 3: Cross multiply
    853,445.05x = 1,280,797.47 × 404,165.05
  4. Step 4: Simplify right side
    853,445.05x = 517,653,573,502.42
  5. Step 5: Solve for x
    x = 517,653,573,502.42/853,445.05
  6. Step 6: Final answer
    x = 606,545.87

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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.