Home / 401,296.32-553,774.14-220,004.28

Finding the Fourth Proportional to 401,296.32, 553,774.14 and 220,004.28

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Solution

The fourth proportional to 401,296.32, 553,774.14 and 220,004.28 is: 303,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,296.32 : 553,774.14 = 220,004.28 : x
  2. Step 2: Convert to fraction form
    401,296.32/553,774.14 = 220,004.28/x
  3. Step 3: Cross multiply
    401,296.32x = 553,774.14 × 220,004.28
  4. Step 4: Simplify right side
    401,296.32x = 121,832,680,953.32
  5. Step 5: Solve for x
    x = 121,832,680,953.32/401,296.32
  6. Step 6: Final answer
    x = 303,597.80

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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.