Home / 465,309.44-642,113-258,577.13

Finding the Fourth Proportional to 465,309.44, 642,113 and 258,577.13

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Solution

The fourth proportional to 465,309.44, 642,113 and 258,577.13 is: 356,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,309.44 : 642,113 = 258,577.13 : x
  2. Step 2: Convert to fraction form
    465,309.44/642,113 = 258,577.13/x
  3. Step 3: Cross multiply
    465,309.44x = 642,113 × 258,577.13
  4. Step 4: Simplify right side
    465,309.44x = 166,035,733,465.13
  5. Step 5: Solve for x
    x = 166,035,733,465.13/465,309.44
  6. Step 6: Final answer
    x = 356,828.64

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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.