Home / 926,201.70-1,389,496.95-286,452.90

Finding the Fourth Proportional to 926,201.70, 1,389,496.95 and 286,452.90

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Solution

The fourth proportional to 926,201.70, 1,389,496.95 and 286,452.90 is: 429,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,201.70 : 1,389,496.95 = 286,452.90 : x
  2. Step 2: Convert to fraction form
    926,201.70/1,389,496.95 = 286,452.90/x
  3. Step 3: Cross multiply
    926,201.70x = 1,389,496.95 × 286,452.90
  4. Step 4: Simplify right side
    926,201.70x = 398,025,430,868.66
  5. Step 5: Solve for x
    x = 398,025,430,868.66/926,201.70
  6. Step 6: Final answer
    x = 429,739.47

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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.