Home / 753,064.98-1,039,201.29-408,893.47

Finding the Fourth Proportional to 753,064.98, 1,039,201.29 and 408,893.47

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Solution

The fourth proportional to 753,064.98, 1,039,201.29 and 408,893.47 is: 564,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,064.98 : 1,039,201.29 = 408,893.47 : x
  2. Step 2: Convert to fraction form
    753,064.98/1,039,201.29 = 408,893.47/x
  3. Step 3: Cross multiply
    753,064.98x = 1,039,201.29 × 408,893.47
  4. Step 4: Simplify right side
    753,064.98x = 424,922,616,300.57
  5. Step 5: Solve for x
    x = 424,922,616,300.57/753,064.98
  6. Step 6: Final answer
    x = 564,257.57

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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.