Home / 551,948.11-761,751.47-306,957.26

Finding the Fourth Proportional to 551,948.11, 761,751.47 and 306,957.26

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Solution

The fourth proportional to 551,948.11, 761,751.47 and 306,957.26 is: 423,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,948.11 : 761,751.47 = 306,957.26 : x
  2. Step 2: Convert to fraction form
    551,948.11/761,751.47 = 306,957.26/x
  3. Step 3: Cross multiply
    551,948.11x = 761,751.47 × 306,957.26
  4. Step 4: Simplify right side
    551,948.11x = 233,825,146,703.94
  5. Step 5: Solve for x
    x = 233,825,146,703.94/551,948.11
  6. Step 6: Final answer
    x = 423,636.11

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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.