Home / 910,189.28-1,365,303.60-279,089.12

Finding the Fourth Proportional to 910,189.28, 1,365,303.60 and 279,089.12

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Solution

The fourth proportional to 910,189.28, 1,365,303.60 and 279,089.12 is: 418,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,189.28 : 1,365,303.60 = 279,089.12 : x
  2. Step 2: Convert to fraction form
    910,189.28/1,365,303.60 = 279,089.12/x
  3. Step 3: Cross multiply
    910,189.28x = 1,365,303.60 × 279,089.12
  4. Step 4: Simplify right side
    910,189.28x = 381,041,380,256.83
  5. Step 5: Solve for x
    x = 381,041,380,256.83/910,189.28
  6. Step 6: Final answer
    x = 418,639.71

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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.