Home / 706,029.60-1,058,788.14-386,417.58

Finding the Fourth Proportional to 706,029.60, 1,058,788.14 and 386,417.58

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Solution

The fourth proportional to 706,029.60, 1,058,788.14 and 386,417.58 is: 579,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,029.60 : 1,058,788.14 = 386,417.58 : x
  2. Step 2: Convert to fraction form
    706,029.60/1,058,788.14 = 386,417.58/x
  3. Step 3: Cross multiply
    706,029.60x = 1,058,788.14 × 386,417.58
  4. Step 4: Simplify right side
    706,029.60x = 409,134,350,791.50
  5. Step 5: Solve for x
    x = 409,134,350,791.50/706,029.60
  6. Step 6: Final answer
    x = 579,486.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.