Home / 900,009.79-1,350,015.90-367,530.76

Finding the Fourth Proportional to 900,009.79, 1,350,015.90 and 367,530.76

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Solution

The fourth proportional to 900,009.79, 1,350,015.90 and 367,530.76 is: 551,296.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,009.79 : 1,350,015.90 = 367,530.76 : x
  2. Step 2: Convert to fraction form
    900,009.79/1,350,015.90 = 367,530.76/x
  3. Step 3: Cross multiply
    900,009.79x = 1,350,015.90 × 367,530.76
  4. Step 4: Simplify right side
    900,009.79x = 496,172,369,739.08
  5. Step 5: Solve for x
    x = 496,172,369,739.08/900,009.79
  6. Step 6: Final answer
    x = 551,296.64

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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.