Home / 612,175.39-918,418.70-359,669.23

Finding the Fourth Proportional to 612,175.39, 918,418.70 and 359,669.23

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Solution

The fourth proportional to 612,175.39, 918,418.70 and 359,669.23 is: 539,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,175.39 : 918,418.70 = 359,669.23 : x
  2. Step 2: Convert to fraction form
    612,175.39/918,418.70 = 359,669.23/x
  3. Step 3: Cross multiply
    612,175.39x = 918,418.70 × 359,669.23
  4. Step 4: Simplify right side
    612,175.39x = 330,326,945,249.73
  5. Step 5: Solve for x
    x = 330,326,945,249.73/612,175.39
  6. Step 6: Final answer
    x = 539,595.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.