Home / 804,015.80-1,206,023.70-488,569.40

Finding the Fourth Proportional to 804,015.80, 1,206,023.70 and 488,569.40

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Solution

The fourth proportional to 804,015.80, 1,206,023.70 and 488,569.40 is: 732,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,015.80 : 1,206,023.70 = 488,569.40 : x
  2. Step 2: Convert to fraction form
    804,015.80/1,206,023.70 = 488,569.40/x
  3. Step 3: Cross multiply
    804,015.80x = 1,206,023.70 × 488,569.40
  4. Step 4: Simplify right side
    804,015.80x = 589,226,275,494.78
  5. Step 5: Solve for x
    x = 589,226,275,494.78/804,015.80
  6. Step 6: Final answer
    x = 732,854.10

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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.