Home / 403,767.04-557,223.39-222,478.94

Finding the Fourth Proportional to 403,767.04, 557,223.39 and 222,478.94

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Solution

The fourth proportional to 403,767.04, 557,223.39 and 222,478.94 is: 307,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,767.04 : 557,223.39 = 222,478.94 : x
  2. Step 2: Convert to fraction form
    403,767.04/557,223.39 = 222,478.94/x
  3. Step 3: Cross multiply
    403,767.04x = 557,223.39 × 222,478.94
  4. Step 4: Simplify right side
    403,767.04x = 123,970,466,364.29
  5. Step 5: Solve for x
    x = 123,970,466,364.29/403,767.04
  6. Step 6: Final answer
    x = 307,034.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.