Home / 915,500.30-1,370,485.65-804,908.30

Finding the Fourth Proportional to 915,500.30, 1,370,485.65 and 804,908.30

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Solution

The fourth proportional to 915,500.30, 1,370,485.65 and 804,908.30 is: 1,204,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,500.30 : 1,370,485.65 = 804,908.30 : x
  2. Step 2: Convert to fraction form
    915,500.30/1,370,485.65 = 804,908.30/x
  3. Step 3: Cross multiply
    915,500.30x = 1,370,485.65 × 804,908.30
  4. Step 4: Simplify right side
    915,500.30x = 1,103,115,274,715.90
  5. Step 5: Solve for x
    x = 1,103,115,274,715.90/915,500.30
  6. Step 6: Final answer
    x = 1,204,931.64

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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.