Home / 766,588.73-1,057,848.76-439,832.48

Finding the Fourth Proportional to 766,588.73, 1,057,848.76 and 439,832.48

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Solution

The fourth proportional to 766,588.73, 1,057,848.76 and 439,832.48 is: 606,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,588.73 : 1,057,848.76 = 439,832.48 : x
  2. Step 2: Convert to fraction form
    766,588.73/1,057,848.76 = 439,832.48/x
  3. Step 3: Cross multiply
    766,588.73x = 1,057,848.76 × 439,832.48
  4. Step 4: Simplify right side
    766,588.73x = 465,276,243,575.73
  5. Step 5: Solve for x
    x = 465,276,243,575.73/766,588.73
  6. Step 6: Final answer
    x = 606,943.76

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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.