Home / 672,494.85-1,008,960.35-402,580.94

Finding the Fourth Proportional to 672,494.85, 1,008,960.35 and 402,580.94

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Solution

The fourth proportional to 672,494.85, 1,008,960.35 and 402,580.94 is: 604,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,494.85 : 1,008,960.35 = 402,580.94 : x
  2. Step 2: Convert to fraction form
    672,494.85/1,008,960.35 = 402,580.94/x
  3. Step 3: Cross multiply
    672,494.85x = 1,008,960.35 × 402,580.94
  4. Step 4: Simplify right side
    672,494.85x = 406,188,199,068.02
  5. Step 5: Solve for x
    x = 406,188,199,068.02/672,494.85
  6. Step 6: Final answer
    x = 604,001.95

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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.