Home / 651,208.80-976,764.60-272,031.60

Finding the Fourth Proportional to 651,208.80, 976,764.60 and 272,031.60

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Solution

The fourth proportional to 651,208.80, 976,764.60 and 272,031.60 is: 408,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,208.80 : 976,764.60 = 272,031.60 : x
  2. Step 2: Convert to fraction form
    651,208.80/976,764.60 = 272,031.60/x
  3. Step 3: Cross multiply
    651,208.80x = 976,764.60 × 272,031.60
  4. Step 4: Simplify right side
    651,208.80x = 265,710,836,961.36
  5. Step 5: Solve for x
    x = 265,710,836,961.36/651,208.80
  6. Step 6: Final answer
    x = 408,027.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.