Home / 403,642.32-556,997.63-240,290.16

Finding the Fourth Proportional to 403,642.32, 556,997.63 and 240,290.16

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Solution

The fourth proportional to 403,642.32, 556,997.63 and 240,290.16 is: 331,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,642.32 : 556,997.63 = 240,290.16 : x
  2. Step 2: Convert to fraction form
    403,642.32/556,997.63 = 240,290.16/x
  3. Step 3: Cross multiply
    403,642.32x = 556,997.63 × 240,290.16
  4. Step 4: Simplify right side
    403,642.32x = 133,841,049,632.32
  5. Step 5: Solve for x
    x = 133,841,049,632.32/403,642.32
  6. Step 6: Final answer
    x = 331,583.29

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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.