Home / 740,769.96-1,022,209.56-434,858.88

Finding the Fourth Proportional to 740,769.96, 1,022,209.56 and 434,858.88

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Solution

The fourth proportional to 740,769.96, 1,022,209.56 and 434,858.88 is: 600,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,769.96 : 1,022,209.56 = 434,858.88 : x
  2. Step 2: Convert to fraction form
    740,769.96/1,022,209.56 = 434,858.88/x
  3. Step 3: Cross multiply
    740,769.96x = 1,022,209.56 × 434,858.88
  4. Step 4: Simplify right side
    740,769.96x = 444,516,904,386.89
  5. Step 5: Solve for x
    x = 444,516,904,386.89/740,769.96
  6. Step 6: Final answer
    x = 600,074.15

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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.