Home / 404,928.96-558,777.28-243,836.16

Finding the Fourth Proportional to 404,928.96, 558,777.28 and 243,836.16

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Solution

The fourth proportional to 404,928.96, 558,777.28 and 243,836.16 is: 336,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,928.96 : 558,777.28 = 243,836.16 : x
  2. Step 2: Convert to fraction form
    404,928.96/558,777.28 = 243,836.16/x
  3. Step 3: Cross multiply
    404,928.96x = 558,777.28 × 243,836.16
  4. Step 4: Simplify right side
    404,928.96x = 136,250,106,250.45
  5. Step 5: Solve for x
    x = 136,250,106,250.45/404,928.96
  6. Step 6: Final answer
    x = 336,479.04

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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.