Home / 960,040.19-1,439,578.15-320,117.39

Finding the Fourth Proportional to 960,040.19, 1,439,578.15 and 320,117.39

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Solution

The fourth proportional to 960,040.19, 1,439,578.15 and 320,117.39 is: 480,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,040.19 : 1,439,578.15 = 320,117.39 : x
  2. Step 2: Convert to fraction form
    960,040.19/1,439,578.15 = 320,117.39/x
  3. Step 3: Cross multiply
    960,040.19x = 1,439,578.15 × 320,117.39
  4. Step 4: Simplify right side
    960,040.19x = 460,833,991,280.55
  5. Step 5: Solve for x
    x = 460,833,991,280.55/960,040.19
  6. Step 6: Final answer
    x = 480,015.31

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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.