Home / 551,946.15-761,676.62-306,921.15

Finding the Fourth Proportional to 551,946.15, 761,676.62 and 306,921.15

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Solution

The fourth proportional to 551,946.15, 761,676.62 and 306,921.15 is: 423,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,946.15 : 761,676.62 = 306,921.15 : x
  2. Step 2: Convert to fraction form
    551,946.15/761,676.62 = 306,921.15/x
  3. Step 3: Cross multiply
    551,946.15x = 761,676.62 × 306,921.15
  4. Step 4: Simplify right side
    551,946.15x = 233,774,662,603.91
  5. Step 5: Solve for x
    x = 233,774,662,603.91/551,946.15
  6. Step 6: Final answer
    x = 423,546.14

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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.