Home / 802,920.60-1,203,329.70-404,011.80

Finding the Fourth Proportional to 802,920.60, 1,203,329.70 and 404,011.80

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Solution

The fourth proportional to 802,920.60, 1,203,329.70 and 404,011.80 is: 605,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,920.60 : 1,203,329.70 = 404,011.80 : x
  2. Step 2: Convert to fraction form
    802,920.60/1,203,329.70 = 404,011.80/x
  3. Step 3: Cross multiply
    802,920.60x = 1,203,329.70 × 404,011.80
  4. Step 4: Simplify right side
    802,920.60x = 486,159,398,090.46
  5. Step 5: Solve for x
    x = 486,159,398,090.46/802,920.60
  6. Step 6: Final answer
    x = 605,488.76

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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.