Home / 810,590.11-1,118,672.27-448,006.17

Finding the Fourth Proportional to 810,590.11, 1,118,672.27 and 448,006.17

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Solution

The fourth proportional to 810,590.11, 1,118,672.27 and 448,006.17 is: 618,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,590.11 : 1,118,672.27 = 448,006.17 : x
  2. Step 2: Convert to fraction form
    810,590.11/1,118,672.27 = 448,006.17/x
  3. Step 3: Cross multiply
    810,590.11x = 1,118,672.27 × 448,006.17
  4. Step 4: Simplify right side
    810,590.11x = 501,172,079,167.91
  5. Step 5: Solve for x
    x = 501,172,079,167.91/810,590.11
  6. Step 6: Final answer
    x = 618,280.53

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1.5x scale

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.