Home / 925,946.40-1,389,052.66-286,300.02

Finding the Fourth Proportional to 925,946.40, 1,389,052.66 and 286,300.02

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Solution

The fourth proportional to 925,946.40, 1,389,052.66 and 286,300.02 is: 429,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,946.40 : 1,389,052.66 = 286,300.02 : x
  2. Step 2: Convert to fraction form
    925,946.40/1,389,052.66 = 286,300.02/x
  3. Step 3: Cross multiply
    925,946.40x = 1,389,052.66 × 286,300.02
  4. Step 4: Simplify right side
    925,946.40x = 397,685,804,339.05
  5. Step 5: Solve for x
    x = 397,685,804,339.05/925,946.40
  6. Step 6: Final answer
    x = 429,491.17

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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.