Home / 404,923.40-558,769.76-243,830.60

Finding the Fourth Proportional to 404,923.40, 558,769.76 and 243,830.60

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Solution

The fourth proportional to 404,923.40, 558,769.76 and 243,830.60 is: 336,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,923.40 : 558,769.76 = 243,830.60 : x
  2. Step 2: Convert to fraction form
    404,923.40/558,769.76 = 243,830.60/x
  3. Step 3: Cross multiply
    404,923.40x = 558,769.76 × 243,830.60
  4. Step 4: Simplify right side
    404,923.40x = 136,245,165,842.66
  5. Step 5: Solve for x
    x = 136,245,165,842.66/404,923.40
  6. Step 6: Final answer
    x = 336,471.46

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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.