Home / 779,290.70-1,168,947.57-218,289.74

Finding the Fourth Proportional to 779,290.70, 1,168,947.57 and 218,289.74

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Solution

The fourth proportional to 779,290.70, 1,168,947.57 and 218,289.74 is: 327,437.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,290.70 : 1,168,947.57 = 218,289.74 : x
  2. Step 2: Convert to fraction form
    779,290.70/1,168,947.57 = 218,289.74/x
  3. Step 3: Cross multiply
    779,290.70x = 1,168,947.57 × 218,289.74
  4. Step 4: Simplify right side
    779,290.70x = 255,169,261,128.93
  5. Step 5: Solve for x
    x = 255,169,261,128.93/779,290.70
  6. Step 6: Final answer
    x = 327,437.84

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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.