Home / 900,005.78-1,350,009.89-367,526.77

Finding the Fourth Proportional to 900,005.78, 1,350,009.89 and 367,526.77

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Solution

The fourth proportional to 900,005.78, 1,350,009.89 and 367,526.77 is: 551,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,005.78 : 1,350,009.89 = 367,526.77 : x
  2. Step 2: Convert to fraction form
    900,005.78/1,350,009.89 = 367,526.77/x
  3. Step 3: Cross multiply
    900,005.78x = 1,350,009.89 × 367,526.77
  4. Step 4: Simplify right side
    900,005.78x = 496,164,770,505.32
  5. Step 5: Solve for x
    x = 496,164,770,505.32/900,005.78
  6. Step 6: Final answer
    x = 551,290.65

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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.