Home / 714,178.62-1,071,337.08-208,728.24

Finding the Fourth Proportional to 714,178.62, 1,071,337.08 and 208,728.24

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Solution

The fourth proportional to 714,178.62, 1,071,337.08 and 208,728.24 is: 313,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,178.62 : 1,071,337.08 = 208,728.24 : x
  2. Step 2: Convert to fraction form
    714,178.62/1,071,337.08 = 208,728.24/x
  3. Step 3: Cross multiply
    714,178.62x = 1,071,337.08 × 208,728.24
  4. Step 4: Simplify right side
    714,178.62x = 223,618,303,155.14
  5. Step 5: Solve for x
    x = 223,618,303,155.14/714,178.62
  6. Step 6: Final answer
    x = 313,112.57

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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.