Home / 925,938.60-1,389,040.97-286,292.18

Finding the Fourth Proportional to 925,938.60, 1,389,040.97 and 286,292.18

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Solution

The fourth proportional to 925,938.60, 1,389,040.97 and 286,292.18 is: 429,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,938.60 : 1,389,040.97 = 286,292.18 : x
  2. Step 2: Convert to fraction form
    925,938.60/1,389,040.97 = 286,292.18/x
  3. Step 3: Cross multiply
    925,938.60x = 1,389,040.97 × 286,292.18
  4. Step 4: Simplify right side
    925,938.60x = 397,671,559,033.95
  5. Step 5: Solve for x
    x = 397,671,559,033.95/925,938.60
  6. Step 6: Final answer
    x = 429,479.41

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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.