Home / 976,738.60-1,465,107.90-623,319.40

Finding the Fourth Proportional to 976,738.60, 1,465,107.90 and 623,319.40

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Solution

The fourth proportional to 976,738.60, 1,465,107.90 and 623,319.40 is: 934,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,738.60 : 1,465,107.90 = 623,319.40 : x
  2. Step 2: Convert to fraction form
    976,738.60/1,465,107.90 = 623,319.40/x
  3. Step 3: Cross multiply
    976,738.60x = 1,465,107.90 × 623,319.40
  4. Step 4: Simplify right side
    976,738.60x = 913,230,177,163.26
  5. Step 5: Solve for x
    x = 913,230,177,163.26/976,738.60
  6. Step 6: Final answer
    x = 934,979.10

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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.