Home / 955,479.60-1,433,219.40-386,859.60

Finding the Fourth Proportional to 955,479.60, 1,433,219.40 and 386,859.60

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Solution

The fourth proportional to 955,479.60, 1,433,219.40 and 386,859.60 is: 580,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,479.60 : 1,433,219.40 = 386,859.60 : x
  2. Step 2: Convert to fraction form
    955,479.60/1,433,219.40 = 386,859.60/x
  3. Step 3: Cross multiply
    955,479.60x = 1,433,219.40 × 386,859.60
  4. Step 4: Simplify right side
    955,479.60x = 554,454,683,796.24
  5. Step 5: Solve for x
    x = 554,454,683,796.24/955,479.60
  6. Step 6: Final answer
    x = 580,289.40

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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.