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Finding the Fourth Proportional to 614,708.36, 848,302.35 and 342,793.87

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Solution

The fourth proportional to 614,708.36, 848,302.35 and 342,793.87 is: 473,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,708.36 : 848,302.35 = 342,793.87 : x
  2. Step 2: Convert to fraction form
    614,708.36/848,302.35 = 342,793.87/x
  3. Step 3: Cross multiply
    614,708.36x = 848,302.35 × 342,793.87
  4. Step 4: Simplify right side
    614,708.36x = 290,792,841,245.08
  5. Step 5: Solve for x
    x = 290,792,841,245.08/614,708.36
  6. Step 6: Final answer
    x = 473,058.22

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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.