Home / 790,802.46-1,183,878.18-490,318.38

Finding the Fourth Proportional to 790,802.46, 1,183,878.18 and 490,318.38

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Solution

The fourth proportional to 790,802.46, 1,183,878.18 and 490,318.38 is: 734,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,802.46 : 1,183,878.18 = 490,318.38 : x
  2. Step 2: Convert to fraction form
    790,802.46/1,183,878.18 = 490,318.38/x
  3. Step 3: Cross multiply
    790,802.46x = 1,183,878.18 × 490,318.38
  4. Step 4: Simplify right side
    790,802.46x = 580,477,231,334.95
  5. Step 5: Solve for x
    x = 580,477,231,334.95/790,802.46
  6. Step 6: Final answer
    x = 734,035.69

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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.