Home / 616,614.12-851,064.75-374,845.50

Finding the Fourth Proportional to 616,614.12, 851,064.75 and 374,845.50

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Solution

The fourth proportional to 616,614.12, 851,064.75 and 374,845.50 is: 517,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,614.12 : 851,064.75 = 374,845.50 : x
  2. Step 2: Convert to fraction form
    616,614.12/851,064.75 = 374,845.50/x
  3. Step 3: Cross multiply
    616,614.12x = 851,064.75 × 374,845.50
  4. Step 4: Simplify right side
    616,614.12x = 319,017,791,746.13
  5. Step 5: Solve for x
    x = 319,017,791,746.13/616,614.12
  6. Step 6: Final answer
    x = 517,370.23

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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.