Home / 754,498.40-1,131,747.96-193,533.08

Finding the Fourth Proportional to 754,498.40, 1,131,747.96 and 193,533.08

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Solution

The fourth proportional to 754,498.40, 1,131,747.96 and 193,533.08 is: 290,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,498.40 : 1,131,747.96 = 193,533.08 : x
  2. Step 2: Convert to fraction form
    754,498.40/1,131,747.96 = 193,533.08/x
  3. Step 3: Cross multiply
    754,498.40x = 1,131,747.96 × 193,533.08
  4. Step 4: Simplify right side
    754,498.40x = 219,030,668,482.52
  5. Step 5: Solve for x
    x = 219,030,668,482.52/754,498.40
  6. Step 6: Final answer
    x = 290,299.71

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1.5x scale

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.