Home / 614,786.10-848,403.13-342,854.28

Finding the Fourth Proportional to 614,786.10, 848,403.13 and 342,854.28

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Solution

The fourth proportional to 614,786.10, 848,403.13 and 342,854.28 is: 473,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,786.10 : 848,403.13 = 342,854.28 : x
  2. Step 2: Convert to fraction form
    614,786.10/848,403.13 = 342,854.28/x
  3. Step 3: Cross multiply
    614,786.10x = 848,403.13 × 342,854.28
  4. Step 4: Simplify right side
    614,786.10x = 290,878,644,285.90
  5. Step 5: Solve for x
    x = 290,878,644,285.90/614,786.10
  6. Step 6: Final answer
    x = 473,137.97

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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.