Home / 694,888.40-1,042,332.60-362,421.20

Finding the Fourth Proportional to 694,888.40, 1,042,332.60 and 362,421.20

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Solution

The fourth proportional to 694,888.40, 1,042,332.60 and 362,421.20 is: 543,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,888.40 : 1,042,332.60 = 362,421.20 : x
  2. Step 2: Convert to fraction form
    694,888.40/1,042,332.60 = 362,421.20/x
  3. Step 3: Cross multiply
    694,888.40x = 1,042,332.60 × 362,421.20
  4. Step 4: Simplify right side
    694,888.40x = 377,763,431,691.12
  5. Step 5: Solve for x
    x = 377,763,431,691.12/694,888.40
  6. Step 6: Final answer
    x = 543,631.80

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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.