Home / 785,643.39-1,178,532.95-217,024.26

Finding the Fourth Proportional to 785,643.39, 1,178,532.95 and 217,024.26

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Solution

The fourth proportional to 785,643.39, 1,178,532.95 and 217,024.26 is: 325,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,643.39 : 1,178,532.95 = 217,024.26 : x
  2. Step 2: Convert to fraction form
    785,643.39/1,178,532.95 = 217,024.26/x
  3. Step 3: Cross multiply
    785,643.39x = 1,178,532.95 × 217,024.26
  4. Step 4: Simplify right side
    785,643.39x = 255,770,240,274.25
  5. Step 5: Solve for x
    x = 255,770,240,274.25/785,643.39
  6. Step 6: Final answer
    x = 325,555.14

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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.