Home / 864,250.40-1,294,820.40-739,834.40

Finding the Fourth Proportional to 864,250.40, 1,294,820.40 and 739,834.40

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Solution

The fourth proportional to 864,250.40, 1,294,820.40 and 739,834.40 is: 1,108,420.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,250.40 : 1,294,820.40 = 739,834.40 : x
  2. Step 2: Convert to fraction form
    864,250.40/1,294,820.40 = 739,834.40/x
  3. Step 3: Cross multiply
    864,250.40x = 1,294,820.40 × 739,834.40
  4. Step 4: Simplify right side
    864,250.40x = 957,952,673,741.76
  5. Step 5: Solve for x
    x = 957,952,673,741.76/864,250.40
  6. Step 6: Final answer
    x = 1,108,420.28

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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.