Home / 885,349.78-1,328,036.52-278,118.30

Finding the Fourth Proportional to 885,349.78, 1,328,036.52 and 278,118.30

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Solution

The fourth proportional to 885,349.78, 1,328,036.52 and 278,118.30 is: 417,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,349.78 : 1,328,036.52 = 278,118.30 : x
  2. Step 2: Convert to fraction form
    885,349.78/1,328,036.52 = 278,118.30/x
  3. Step 3: Cross multiply
    885,349.78x = 1,328,036.52 × 278,118.30
  4. Step 4: Simplify right side
    885,349.78x = 369,351,254,300.18
  5. Step 5: Solve for x
    x = 369,351,254,300.18/885,349.78
  6. Step 6: Final answer
    x = 417,181.17

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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.