Home / 745,089.40-1,117,800.76-271,774.76

Finding the Fourth Proportional to 745,089.40, 1,117,800.76 and 271,774.76

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Solution

The fourth proportional to 745,089.40, 1,117,800.76 and 271,774.76 is: 407,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,089.40 : 1,117,800.76 = 271,774.76 : x
  2. Step 2: Convert to fraction form
    745,089.40/1,117,800.76 = 271,774.76/x
  3. Step 3: Cross multiply
    745,089.40x = 1,117,800.76 × 271,774.76
  4. Step 4: Simplify right side
    745,089.40x = 303,790,033,276.82
  5. Step 5: Solve for x
    x = 303,790,033,276.82/745,089.40
  6. Step 6: Final answer
    x = 407,722.93

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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.