Home / 628,900.97-867,889.55-360,577.13

Finding the Fourth Proportional to 628,900.97, 867,889.55 and 360,577.13

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Solution

The fourth proportional to 628,900.97, 867,889.55 and 360,577.13 is: 497,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,900.97 : 867,889.55 = 360,577.13 : x
  2. Step 2: Convert to fraction form
    628,900.97/867,889.55 = 360,577.13/x
  3. Step 3: Cross multiply
    628,900.97x = 867,889.55 × 360,577.13
  4. Step 4: Simplify right side
    628,900.97x = 312,941,119,657.99
  5. Step 5: Solve for x
    x = 312,941,119,657.99/628,900.97
  6. Step 6: Final answer
    x = 497,600.00

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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.