Home / 550,788.48-760,095.36-309,123.36

Finding the Fourth Proportional to 550,788.48, 760,095.36 and 309,123.36

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Solution

The fourth proportional to 550,788.48, 760,095.36 and 309,123.36 is: 426,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,788.48 : 760,095.36 = 309,123.36 : x
  2. Step 2: Convert to fraction form
    550,788.48/760,095.36 = 309,123.36/x
  3. Step 3: Cross multiply
    550,788.48x = 760,095.36 × 309,123.36
  4. Step 4: Simplify right side
    550,788.48x = 234,963,231,603.61
  5. Step 5: Solve for x
    x = 234,963,231,603.61/550,788.48
  6. Step 6: Final answer
    x = 426,594.31

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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.