Home / 745,376.77-1,117,609.39-365,815.63

Finding the Fourth Proportional to 745,376.77, 1,117,609.39 and 365,815.63

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Solution

The fourth proportional to 745,376.77, 1,117,609.39 and 365,815.63 is: 548,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,376.77 : 1,117,609.39 = 365,815.63 : x
  2. Step 2: Convert to fraction form
    745,376.77/1,117,609.39 = 365,815.63/x
  3. Step 3: Cross multiply
    745,376.77x = 1,117,609.39 × 365,815.63
  4. Step 4: Simplify right side
    745,376.77x = 408,838,983,096.77
  5. Step 5: Solve for x
    x = 408,838,983,096.77/745,376.77
  6. Step 6: Final answer
    x = 548,499.76

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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.