Home / 822,656.91-1,234,012.67-282,907.86

Finding the Fourth Proportional to 822,656.91, 1,234,012.67 and 282,907.86

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Solution

The fourth proportional to 822,656.91, 1,234,012.67 and 282,907.86 is: 424,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,656.91 : 1,234,012.67 = 282,907.86 : x
  2. Step 2: Convert to fraction form
    822,656.91/1,234,012.67 = 282,907.86/x
  3. Step 3: Cross multiply
    822,656.91x = 1,234,012.67 × 282,907.86
  4. Step 4: Simplify right side
    822,656.91x = 349,111,882,268.05
  5. Step 5: Solve for x
    x = 349,111,882,268.05/822,656.91
  6. Step 6: Final answer
    x = 424,371.18

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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.