Home / 779,290.20-1,168,946.82-218,289.24

Finding the Fourth Proportional to 779,290.20, 1,168,946.82 and 218,289.24

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Solution

The fourth proportional to 779,290.20, 1,168,946.82 and 218,289.24 is: 327,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,290.20 : 1,168,946.82 = 218,289.24 : x
  2. Step 2: Convert to fraction form
    779,290.20/1,168,946.82 = 218,289.24/x
  3. Step 3: Cross multiply
    779,290.20x = 1,168,946.82 × 218,289.24
  4. Step 4: Simplify right side
    779,290.20x = 255,168,512,938.22
  5. Step 5: Solve for x
    x = 255,168,512,938.22/779,290.20
  6. Step 6: Final answer
    x = 327,437.09

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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.