Home / 849,741.14-1,274,879.62-400,443.86

Finding the Fourth Proportional to 849,741.14, 1,274,879.62 and 400,443.86

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Solution

The fourth proportional to 849,741.14, 1,274,879.62 and 400,443.86 is: 600,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,741.14 : 1,274,879.62 = 400,443.86 : x
  2. Step 2: Convert to fraction form
    849,741.14/1,274,879.62 = 400,443.86/x
  3. Step 3: Cross multiply
    849,741.14x = 1,274,879.62 × 400,443.86
  4. Step 4: Simplify right side
    849,741.14x = 510,517,716,068.13
  5. Step 5: Solve for x
    x = 510,517,716,068.13/849,741.14
  6. Step 6: Final answer
    x = 600,792.04

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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.