Home / 785,643.97-1,178,533.86-217,024.90

Finding the Fourth Proportional to 785,643.97, 1,178,533.86 and 217,024.90

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Solution

The fourth proportional to 785,643.97, 1,178,533.86 and 217,024.90 is: 325,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,643.97 : 1,178,533.86 = 217,024.90 : x
  2. Step 2: Convert to fraction form
    785,643.97/1,178,533.86 = 217,024.90/x
  3. Step 3: Cross multiply
    785,643.97x = 1,178,533.86 × 217,024.90
  4. Step 4: Simplify right side
    785,643.97x = 255,771,193,113.11
  5. Step 5: Solve for x
    x = 255,771,193,113.11/785,643.97
  6. Step 6: Final answer
    x = 325,556.11

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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.