Home / 740,769.64-1,022,209.07-434,858.49

Finding the Fourth Proportional to 740,769.64, 1,022,209.07 and 434,858.49

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Solution

The fourth proportional to 740,769.64, 1,022,209.07 and 434,858.49 is: 600,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,769.64 : 1,022,209.07 = 434,858.49 : x
  2. Step 2: Convert to fraction form
    740,769.64/1,022,209.07 = 434,858.49/x
  3. Step 3: Cross multiply
    740,769.64x = 1,022,209.07 × 434,858.49
  4. Step 4: Simplify right side
    740,769.64x = 444,516,290,470.21
  5. Step 5: Solve for x
    x = 444,516,290,470.21/740,769.64
  6. Step 6: Final answer
    x = 600,073.58

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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.