Home / 672,064.90-1,008,097.35-620,743.30

Finding the Fourth Proportional to 672,064.90, 1,008,097.35 and 620,743.30

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Solution

The fourth proportional to 672,064.90, 1,008,097.35 and 620,743.30 is: 931,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,064.90 : 1,008,097.35 = 620,743.30 : x
  2. Step 2: Convert to fraction form
    672,064.90/1,008,097.35 = 620,743.30/x
  3. Step 3: Cross multiply
    672,064.90x = 1,008,097.35 × 620,743.30
  4. Step 4: Simplify right side
    672,064.90x = 625,769,675,760.26
  5. Step 5: Solve for x
    x = 625,769,675,760.26/672,064.90
  6. Step 6: Final answer
    x = 931,114.95

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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.