Home / 867,955.20-1,301,932.80-228,257.70

Finding the Fourth Proportional to 867,955.20, 1,301,932.80 and 228,257.70

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Solution

The fourth proportional to 867,955.20, 1,301,932.80 and 228,257.70 is: 342,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,955.20 : 1,301,932.80 = 228,257.70 : x
  2. Step 2: Convert to fraction form
    867,955.20/1,301,932.80 = 228,257.70/x
  3. Step 3: Cross multiply
    867,955.20x = 1,301,932.80 × 228,257.70
  4. Step 4: Simplify right side
    867,955.20x = 297,176,186,482.56
  5. Step 5: Solve for x
    x = 297,176,186,482.56/867,955.20
  6. Step 6: Final answer
    x = 342,386.55

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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.