Home / 885,442.19-1,221,904.51-503,468.93

Finding the Fourth Proportional to 885,442.19, 1,221,904.51 and 503,468.93

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Solution

The fourth proportional to 885,442.19, 1,221,904.51 and 503,468.93 is: 694,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,442.19 : 1,221,904.51 = 503,468.93 : x
  2. Step 2: Convert to fraction form
    885,442.19/1,221,904.51 = 503,468.93/x
  3. Step 3: Cross multiply
    885,442.19x = 1,221,904.51 × 503,468.93
  4. Step 4: Simplify right side
    885,442.19x = 615,190,958,007.96
  5. Step 5: Solve for x
    x = 615,190,958,007.96/885,442.19
  6. Step 6: Final answer
    x = 694,783.88

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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.