Home / 739,963.77-1,021,150.02-400,432.02

Finding the Fourth Proportional to 739,963.77, 1,021,150.02 and 400,432.02

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Solution

The fourth proportional to 739,963.77, 1,021,150.02 and 400,432.02 is: 552,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,963.77 : 1,021,150.02 = 400,432.02 : x
  2. Step 2: Convert to fraction form
    739,963.77/1,021,150.02 = 400,432.02/x
  3. Step 3: Cross multiply
    739,963.77x = 1,021,150.02 × 400,432.02
  4. Step 4: Simplify right side
    739,963.77x = 408,901,165,231.64
  5. Step 5: Solve for x
    x = 408,901,165,231.64/739,963.77
  6. Step 6: Final answer
    x = 552,596.20

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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.