Home / 855,777.78-1,282,743.63-556,473.06

Finding the Fourth Proportional to 855,777.78, 1,282,743.63 and 556,473.06

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Solution

The fourth proportional to 855,777.78, 1,282,743.63 and 556,473.06 is: 834,109.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,777.78 : 1,282,743.63 = 556,473.06 : x
  2. Step 2: Convert to fraction form
    855,777.78/1,282,743.63 = 556,473.06/x
  3. Step 3: Cross multiply
    855,777.78x = 1,282,743.63 × 556,473.06
  4. Step 4: Simplify right side
    855,777.78x = 713,812,272,981.61
  5. Step 5: Solve for x
    x = 713,812,272,981.61/855,777.78
  6. Step 6: Final answer
    x = 834,109.38

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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.