Home / 864,031.72-1,192,307.90-476,850.60

Finding the Fourth Proportional to 864,031.72, 1,192,307.90 and 476,850.60

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Solution

The fourth proportional to 864,031.72, 1,192,307.90 and 476,850.60 is: 658,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,031.72 : 1,192,307.90 = 476,850.60 : x
  2. Step 2: Convert to fraction form
    864,031.72/1,192,307.90 = 476,850.60/x
  3. Step 3: Cross multiply
    864,031.72x = 1,192,307.90 × 476,850.60
  4. Step 4: Simplify right side
    864,031.72x = 568,552,737,499.74
  5. Step 5: Solve for x
    x = 568,552,737,499.74/864,031.72
  6. Step 6: Final answer
    x = 658,022.99

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1.5x scale

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.