Home / 900,728.15-1,351,094.58-331,862.77

Finding the Fourth Proportional to 900,728.15, 1,351,094.58 and 331,862.77

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Solution

The fourth proportional to 900,728.15, 1,351,094.58 and 331,862.77 is: 497,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,728.15 : 1,351,094.58 = 331,862.77 : x
  2. Step 2: Convert to fraction form
    900,728.15/1,351,094.58 = 331,862.77/x
  3. Step 3: Cross multiply
    900,728.15x = 1,351,094.58 × 331,862.77
  4. Step 4: Simplify right side
    900,728.15x = 448,377,991,539.66
  5. Step 5: Solve for x
    x = 448,377,991,539.66/900,728.15
  6. Step 6: Final answer
    x = 497,795.02

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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.