Home / 558,967.92-771,389.60-304,333.12

Finding the Fourth Proportional to 558,967.92, 771,389.60 and 304,333.12

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Solution

The fourth proportional to 558,967.92, 771,389.60 and 304,333.12 is: 419,987.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,967.92 : 771,389.60 = 304,333.12 : x
  2. Step 2: Convert to fraction form
    558,967.92/771,389.60 = 304,333.12/x
  3. Step 3: Cross multiply
    558,967.92x = 771,389.60 × 304,333.12
  4. Step 4: Simplify right side
    558,967.92x = 234,759,403,703.55
  5. Step 5: Solve for x
    x = 234,759,403,703.55/558,967.92
  6. Step 6: Final answer
    x = 419,987.26

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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.