Home / 526,727.36-727,385.82-498,036.08

Finding the Fourth Proportional to 526,727.36, 727,385.82 and 498,036.08

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Solution

The fourth proportional to 526,727.36, 727,385.82 and 498,036.08 is: 687,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,727.36 : 727,385.82 = 498,036.08 : x
  2. Step 2: Convert to fraction form
    526,727.36/727,385.82 = 498,036.08/x
  3. Step 3: Cross multiply
    526,727.36x = 727,385.82 × 498,036.08
  4. Step 4: Simplify right side
    526,727.36x = 362,264,382,440.39
  5. Step 5: Solve for x
    x = 362,264,382,440.39/526,727.36
  6. Step 6: Final answer
    x = 687,764.51

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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.