Home / 1,017,408.60-1,526,331.60-307,508.40

Finding the Fourth Proportional to 1,017,408.60, 1,526,331.60 and 307,508.40

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Solution

The fourth proportional to 1,017,408.60, 1,526,331.60 and 307,508.40 is: 461,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,408.60 : 1,526,331.60 = 307,508.40 : x
  2. Step 2: Convert to fraction form
    1,017,408.60/1,526,331.60 = 307,508.40/x
  3. Step 3: Cross multiply
    1,017,408.60x = 1,526,331.60 × 307,508.40
  4. Step 4: Simplify right side
    1,017,408.60x = 469,359,788,185.44
  5. Step 5: Solve for x
    x = 469,359,788,185.44/1,017,408.60
  6. Step 6: Final answer
    x = 461,328.70

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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.