Home / 810,885.18-1,119,044.92-448,332.46

Finding the Fourth Proportional to 810,885.18, 1,119,044.92 and 448,332.46

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Solution

The fourth proportional to 810,885.18, 1,119,044.92 and 448,332.46 is: 618,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,885.18 : 1,119,044.92 = 448,332.46 : x
  2. Step 2: Convert to fraction form
    810,885.18/1,119,044.92 = 448,332.46/x
  3. Step 3: Cross multiply
    810,885.18x = 1,119,044.92 × 448,332.46
  4. Step 4: Simplify right side
    810,885.18x = 501,704,161,834.10
  5. Step 5: Solve for x
    x = 501,704,161,834.10/810,885.18
  6. Step 6: Final answer
    x = 618,711.72

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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.