Home / 558,248.32-770,556.13-443,730.16

Finding the Fourth Proportional to 558,248.32, 770,556.13 and 443,730.16

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Solution

The fourth proportional to 558,248.32, 770,556.13 and 443,730.16 is: 612,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,248.32 : 770,556.13 = 443,730.16 : x
  2. Step 2: Convert to fraction form
    558,248.32/770,556.13 = 443,730.16/x
  3. Step 3: Cross multiply
    558,248.32x = 770,556.13 × 443,730.16
  4. Step 4: Simplify right side
    558,248.32x = 341,918,994,853.88
  5. Step 5: Solve for x
    x = 341,918,994,853.88/558,248.32
  6. Step 6: Final answer
    x = 612,485.49

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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.