Home / 767,725.02-1,151,094.72-318,755.78

Finding the Fourth Proportional to 767,725.02, 1,151,094.72 and 318,755.78

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Solution

The fourth proportional to 767,725.02, 1,151,094.72 and 318,755.78 is: 477,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,725.02 : 1,151,094.72 = 318,755.78 : x
  2. Step 2: Convert to fraction form
    767,725.02/1,151,094.72 = 318,755.78/x
  3. Step 3: Cross multiply
    767,725.02x = 1,151,094.72 × 318,755.78
  4. Step 4: Simplify right side
    767,725.02x = 366,918,095,327.48
  5. Step 5: Solve for x
    x = 366,918,095,327.48/767,725.02
  6. Step 6: Final answer
    x = 477,929.06

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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.