Home / 880,005.42-1,320,387.39-475,117.20

Finding the Fourth Proportional to 880,005.42, 1,320,387.39 and 475,117.20

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Solution

The fourth proportional to 880,005.42, 1,320,387.39 and 475,117.20 is: 712,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,005.42 : 1,320,387.39 = 475,117.20 : x
  2. Step 2: Convert to fraction form
    880,005.42/1,320,387.39 = 475,117.20/x
  3. Step 3: Cross multiply
    880,005.42x = 1,320,387.39 × 475,117.20
  4. Step 4: Simplify right side
    880,005.42x = 627,338,759,652.11
  5. Step 5: Solve for x
    x = 627,338,759,652.11/880,005.42
  6. Step 6: Final answer
    x = 712,880.56

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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.