Home / 714,566.35-1,071,034.17-287,828.89

Finding the Fourth Proportional to 714,566.35, 1,071,034.17 and 287,828.89

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Solution

The fourth proportional to 714,566.35, 1,071,034.17 and 287,828.89 is: 431,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,566.35 : 1,071,034.17 = 287,828.89 : x
  2. Step 2: Convert to fraction form
    714,566.35/1,071,034.17 = 287,828.89/x
  3. Step 3: Cross multiply
    714,566.35x = 1,071,034.17 × 287,828.89
  4. Step 4: Simplify right side
    714,566.35x = 308,274,576,303.17
  5. Step 5: Solve for x
    x = 308,274,576,303.17/714,566.35
  6. Step 6: Final answer
    x = 431,414.91

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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.