Home / 767,291.20-1,058,422.25-480,313.06

Finding the Fourth Proportional to 767,291.20, 1,058,422.25 and 480,313.06

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Solution

The fourth proportional to 767,291.20, 1,058,422.25 and 480,313.06 is: 662,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,291.20 : 1,058,422.25 = 480,313.06 : x
  2. Step 2: Convert to fraction form
    767,291.20/1,058,422.25 = 480,313.06/x
  3. Step 3: Cross multiply
    767,291.20x = 1,058,422.25 × 480,313.06
  4. Step 4: Simplify right side
    767,291.20x = 508,374,024,621.96
  5. Step 5: Solve for x
    x = 508,374,024,621.96/767,291.20
  6. Step 6: Final answer
    x = 662,556.83

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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.