Home / 672,027.40-1,008,041.10-620,705.80

Finding the Fourth Proportional to 672,027.40, 1,008,041.10 and 620,705.80

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Solution

The fourth proportional to 672,027.40, 1,008,041.10 and 620,705.80 is: 931,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,027.40 : 1,008,041.10 = 620,705.80 : x
  2. Step 2: Convert to fraction form
    672,027.40/1,008,041.10 = 620,705.80/x
  3. Step 3: Cross multiply
    672,027.40x = 1,008,041.10 × 620,705.80
  4. Step 4: Simplify right side
    672,027.40x = 625,696,957,408.38
  5. Step 5: Solve for x
    x = 625,696,957,408.38/672,027.40
  6. Step 6: Final answer
    x = 931,058.70

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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.