Home / 739,490.77-1,020,497.33-399,959.02

Finding the Fourth Proportional to 739,490.77, 1,020,497.33 and 399,959.02

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Solution

The fourth proportional to 739,490.77, 1,020,497.33 and 399,959.02 is: 551,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,490.77 : 1,020,497.33 = 399,959.02 : x
  2. Step 2: Convert to fraction form
    739,490.77/1,020,497.33 = 399,959.02/x
  3. Step 3: Cross multiply
    739,490.77x = 1,020,497.33 × 399,959.02
  4. Step 4: Simplify right side
    739,490.77x = 408,157,108,554.64
  5. Step 5: Solve for x
    x = 408,157,108,554.64/739,490.77
  6. Step 6: Final answer
    x = 551,943.48

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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.