Home / 626,999.38-865,264.23-340,521.52

Finding the Fourth Proportional to 626,999.38, 865,264.23 and 340,521.52

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Solution

The fourth proportional to 626,999.38, 865,264.23 and 340,521.52 is: 469,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,999.38 : 865,264.23 = 340,521.52 : x
  2. Step 2: Convert to fraction form
    626,999.38/865,264.23 = 340,521.52/x
  3. Step 3: Cross multiply
    626,999.38x = 865,264.23 × 340,521.52
  4. Step 4: Simplify right side
    626,999.38x = 294,641,084,772.30
  5. Step 5: Solve for x
    x = 294,641,084,772.30/626,999.38
  6. Step 6: Final answer
    x = 469,922.45

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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.