Home / 651,207.60-976,811.40-272,062.80

Finding the Fourth Proportional to 651,207.60, 976,811.40 and 272,062.80

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Solution

The fourth proportional to 651,207.60, 976,811.40 and 272,062.80 is: 408,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,207.60 : 976,811.40 = 272,062.80 : x
  2. Step 2: Convert to fraction form
    651,207.60/976,811.40 = 272,062.80/x
  3. Step 3: Cross multiply
    651,207.60x = 976,811.40 × 272,062.80
  4. Step 4: Simplify right side
    651,207.60x = 265,754,044,555.92
  5. Step 5: Solve for x
    x = 265,754,044,555.92/651,207.60
  6. Step 6: Final answer
    x = 408,094.20

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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.