Home / 856,686.02-1,283,677.17-316,198.38

Finding the Fourth Proportional to 856,686.02, 1,283,677.17 and 316,198.38

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Solution

The fourth proportional to 856,686.02, 1,283,677.17 and 316,198.38 is: 473,798.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,686.02 : 1,283,677.17 = 316,198.38 : x
  2. Step 2: Convert to fraction form
    856,686.02/1,283,677.17 = 316,198.38/x
  3. Step 3: Cross multiply
    856,686.02x = 1,283,677.17 × 316,198.38
  4. Step 4: Simplify right side
    856,686.02x = 405,896,645,225.03
  5. Step 5: Solve for x
    x = 405,896,645,225.03/856,686.02
  6. Step 6: Final answer
    x = 473,798.61

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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.