Home / 836,040.80-1,254,368.40-337,455.20

Finding the Fourth Proportional to 836,040.80, 1,254,368.40 and 337,455.20

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Solution

The fourth proportional to 836,040.80, 1,254,368.40 and 337,455.20 is: 506,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,040.80 : 1,254,368.40 = 337,455.20 : x
  2. Step 2: Convert to fraction form
    836,040.80/1,254,368.40 = 337,455.20/x
  3. Step 3: Cross multiply
    836,040.80x = 1,254,368.40 × 337,455.20
  4. Step 4: Simplify right side
    836,040.80x = 423,293,139,295.68
  5. Step 5: Solve for x
    x = 423,293,139,295.68/836,040.80
  6. Step 6: Final answer
    x = 506,306.80

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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.