Home / 892,690.69-1,338,857.01-437,085.63

Finding the Fourth Proportional to 892,690.69, 1,338,857.01 and 437,085.63

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Solution

The fourth proportional to 892,690.69, 1,338,857.01 and 437,085.63 is: 655,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,690.69 : 1,338,857.01 = 437,085.63 : x
  2. Step 2: Convert to fraction form
    892,690.69/1,338,857.01 = 437,085.63/x
  3. Step 3: Cross multiply
    892,690.69x = 1,338,857.01 × 437,085.63
  4. Step 4: Simplify right side
    892,690.69x = 585,195,154,700.93
  5. Step 5: Solve for x
    x = 585,195,154,700.93/892,690.69
  6. Step 6: Final answer
    x = 655,540.78

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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.