Home / 403,621.61-556,972.74-222,323.40

Finding the Fourth Proportional to 403,621.61, 556,972.74 and 222,323.40

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Solution

The fourth proportional to 403,621.61, 556,972.74 and 222,323.40 is: 306,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,621.61 : 556,972.74 = 222,323.40 : x
  2. Step 2: Convert to fraction form
    403,621.61/556,972.74 = 222,323.40/x
  3. Step 3: Cross multiply
    403,621.61x = 556,972.74 × 222,323.40
  4. Step 4: Simplify right side
    403,621.61x = 123,828,073,264.12
  5. Step 5: Solve for x
    x = 123,828,073,264.12/403,621.61
  6. Step 6: Final answer
    x = 306,792.48

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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.