Home / 698,780.80-1,048,171.20-622,673.20

Finding the Fourth Proportional to 698,780.80, 1,048,171.20 and 622,673.20

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Solution

The fourth proportional to 698,780.80, 1,048,171.20 and 622,673.20 is: 934,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,780.80 : 1,048,171.20 = 622,673.20 : x
  2. Step 2: Convert to fraction form
    698,780.80/1,048,171.20 = 622,673.20/x
  3. Step 3: Cross multiply
    698,780.80x = 1,048,171.20 × 622,673.20
  4. Step 4: Simplify right side
    698,780.80x = 652,668,115,251.84
  5. Step 5: Solve for x
    x = 652,668,115,251.84/698,780.80
  6. Step 6: Final answer
    x = 934,009.80

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1.5x scale

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.