Home / 925,947.40-1,389,054.16-286,301.02

Finding the Fourth Proportional to 925,947.40, 1,389,054.16 and 286,301.02

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Solution

The fourth proportional to 925,947.40, 1,389,054.16 and 286,301.02 is: 429,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,947.40 : 1,389,054.16 = 286,301.02 : x
  2. Step 2: Convert to fraction form
    925,947.40/1,389,054.16 = 286,301.02/x
  3. Step 3: Cross multiply
    925,947.40x = 1,389,054.16 × 286,301.02
  4. Step 4: Simplify right side
    925,947.40x = 397,687,622,843.24
  5. Step 5: Solve for x
    x = 397,687,622,843.24/925,947.40
  6. Step 6: Final answer
    x = 429,492.67

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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.