Home / 752,766.39-1,038,683.54-426,077.80

Finding the Fourth Proportional to 752,766.39, 1,038,683.54 and 426,077.80

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Solution

The fourth proportional to 752,766.39, 1,038,683.54 and 426,077.80 is: 587,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,766.39 : 1,038,683.54 = 426,077.80 : x
  2. Step 2: Convert to fraction form
    752,766.39/1,038,683.54 = 426,077.80/x
  3. Step 3: Cross multiply
    752,766.39x = 1,038,683.54 × 426,077.80
  4. Step 4: Simplify right side
    752,766.39x = 442,559,996,087.90
  5. Step 5: Solve for x
    x = 442,559,996,087.90/752,766.39
  6. Step 6: Final answer
    x = 587,911.47

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1.5x scale

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.