Home / 703,686.08-1,055,794.80-423,400.16

Finding the Fourth Proportional to 703,686.08, 1,055,794.80 and 423,400.16

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Solution

The fourth proportional to 703,686.08, 1,055,794.80 and 423,400.16 is: 635,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,686.08 : 1,055,794.80 = 423,400.16 : x
  2. Step 2: Convert to fraction form
    703,686.08/1,055,794.80 = 423,400.16/x
  3. Step 3: Cross multiply
    703,686.08x = 1,055,794.80 × 423,400.16
  4. Step 4: Simplify right side
    703,686.08x = 447,023,687,247.17
  5. Step 5: Solve for x
    x = 447,023,687,247.17/703,686.08
  6. Step 6: Final answer
    x = 635,260.10

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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.