Home / 766,431.60-1,057,675.86-444,328.44

Finding the Fourth Proportional to 766,431.60, 1,057,675.86 and 444,328.44

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Solution

The fourth proportional to 766,431.60, 1,057,675.86 and 444,328.44 is: 613,173.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,431.60 : 1,057,675.86 = 444,328.44 : x
  2. Step 2: Convert to fraction form
    766,431.60/1,057,675.86 = 444,328.44/x
  3. Step 3: Cross multiply
    766,431.60x = 1,057,675.86 × 444,328.44
  4. Step 4: Simplify right side
    766,431.60x = 469,955,464,899.46
  5. Step 5: Solve for x
    x = 469,955,464,899.46/766,431.60
  6. Step 6: Final answer
    x = 613,173.39

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Double scale
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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.