Home / 739,960.91-1,021,146.06-400,429.16

Finding the Fourth Proportional to 739,960.91, 1,021,146.06 and 400,429.16

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Solution

The fourth proportional to 739,960.91, 1,021,146.06 and 400,429.16 is: 552,592.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,960.91 : 1,021,146.06 = 400,429.16 : x
  2. Step 2: Convert to fraction form
    739,960.91/1,021,146.06 = 400,429.16/x
  3. Step 3: Cross multiply
    739,960.91x = 1,021,146.06 × 400,429.16
  4. Step 4: Simplify right side
    739,960.91x = 408,896,657,040.96
  5. Step 5: Solve for x
    x = 408,896,657,040.96/739,960.91
  6. Step 6: Final answer
    x = 552,592.24

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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.