Home / 853,625.39-1,178,000.62-471,649.45

Finding the Fourth Proportional to 853,625.39, 1,178,000.62 and 471,649.45

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Solution

The fourth proportional to 853,625.39, 1,178,000.62 and 471,649.45 is: 650,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,625.39 : 1,178,000.62 = 471,649.45 : x
  2. Step 2: Convert to fraction form
    853,625.39/1,178,000.62 = 471,649.45/x
  3. Step 3: Cross multiply
    853,625.39x = 1,178,000.62 × 471,649.45
  4. Step 4: Simplify right side
    853,625.39x = 555,603,344,522.66
  5. Step 5: Solve for x
    x = 555,603,344,522.66/853,625.39
  6. Step 6: Final answer
    x = 650,874.90

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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.