Home / 750,471.18-1,035,806.64-689,945.95

Finding the Fourth Proportional to 750,471.18, 1,035,806.64 and 689,945.95

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Solution

The fourth proportional to 750,471.18, 1,035,806.64 and 689,945.95 is: 952,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,471.18 : 1,035,806.64 = 689,945.95 : x
  2. Step 2: Convert to fraction form
    750,471.18/1,035,806.64 = 689,945.95/x
  3. Step 3: Cross multiply
    750,471.18x = 1,035,806.64 × 689,945.95
  4. Step 4: Simplify right side
    750,471.18x = 714,650,594,958.57
  5. Step 5: Solve for x
    x = 714,650,594,958.57/750,471.18
  6. Step 6: Final answer
    x = 952,269.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.