Home / 766,430.06-1,057,673.79-444,326.90

Finding the Fourth Proportional to 766,430.06, 1,057,673.79 and 444,326.90

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Solution

The fourth proportional to 766,430.06, 1,057,673.79 and 444,326.90 is: 613,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,430.06 : 1,057,673.79 = 444,326.90 : x
  2. Step 2: Convert to fraction form
    766,430.06/1,057,673.79 = 444,326.90/x
  3. Step 3: Cross multiply
    766,430.06x = 1,057,673.79 × 444,326.90
  4. Step 4: Simplify right side
    766,430.06x = 469,952,911,033.58
  5. Step 5: Solve for x
    x = 469,952,911,033.58/766,430.06
  6. Step 6: Final answer
    x = 613,171.30

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Double scale
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Similar ratio
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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.