Home / 925,938.57-1,389,040.95-286,292.19

Finding the Fourth Proportional to 925,938.57, 1,389,040.95 and 286,292.19

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Solution

The fourth proportional to 925,938.57, 1,389,040.95 and 286,292.19 is: 429,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,938.57 : 1,389,040.95 = 286,292.19 : x
  2. Step 2: Convert to fraction form
    925,938.57/1,389,040.95 = 286,292.19/x
  3. Step 3: Cross multiply
    925,938.57x = 1,389,040.95 × 286,292.19
  4. Step 4: Simplify right side
    925,938.57x = 397,671,575,575.18
  5. Step 5: Solve for x
    x = 397,671,575,575.18/925,938.57
  6. Step 6: Final answer
    x = 429,479.44

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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.