Home / 804,870.40-1,206,868.20-272,117.20

Finding the Fourth Proportional to 804,870.40, 1,206,868.20 and 272,117.20

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Solution

The fourth proportional to 804,870.40, 1,206,868.20 and 272,117.20 is: 408,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,870.40 : 1,206,868.20 = 272,117.20 : x
  2. Step 2: Convert to fraction form
    804,870.40/1,206,868.20 = 272,117.20/x
  3. Step 3: Cross multiply
    804,870.40x = 1,206,868.20 × 272,117.20
  4. Step 4: Simplify right side
    804,870.40x = 328,409,595,353.04
  5. Step 5: Solve for x
    x = 328,409,595,353.04/804,870.40
  6. Step 6: Final answer
    x = 408,027.92

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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.