Home / 370,865.40-556,298.10-366,928.80

Finding the Fourth Proportional to 370,865.40, 556,298.10 and 366,928.80

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Solution

The fourth proportional to 370,865.40, 556,298.10 and 366,928.80 is: 550,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,865.40 : 556,298.10 = 366,928.80 : x
  2. Step 2: Convert to fraction form
    370,865.40/556,298.10 = 366,928.80/x
  3. Step 3: Cross multiply
    370,865.40x = 556,298.10 × 366,928.80
  4. Step 4: Simplify right side
    370,865.40x = 204,121,794,275.28
  5. Step 5: Solve for x
    x = 204,121,794,275.28/370,865.40
  6. Step 6: Final answer
    x = 550,393.20

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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.