Home / 868,938.30-1,303,407.45-269,894.70

Finding the Fourth Proportional to 868,938.30, 1,303,407.45 and 269,894.70

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Solution

The fourth proportional to 868,938.30, 1,303,407.45 and 269,894.70 is: 404,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,938.30 : 1,303,407.45 = 269,894.70 : x
  2. Step 2: Convert to fraction form
    868,938.30/1,303,407.45 = 269,894.70/x
  3. Step 3: Cross multiply
    868,938.30x = 1,303,407.45 × 269,894.70
  4. Step 4: Simplify right side
    868,938.30x = 351,782,762,695.52
  5. Step 5: Solve for x
    x = 351,782,762,695.52/868,938.30
  6. Step 6: Final answer
    x = 404,842.05

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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.