Home / 722,330.91-1,083,798.77-317,314.22

Finding the Fourth Proportional to 722,330.91, 1,083,798.77 and 317,314.22

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Solution

The fourth proportional to 722,330.91, 1,083,798.77 and 317,314.22 is: 476,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,330.91 : 1,083,798.77 = 317,314.22 : x
  2. Step 2: Convert to fraction form
    722,330.91/1,083,798.77 = 317,314.22/x
  3. Step 3: Cross multiply
    722,330.91x = 1,083,798.77 × 317,314.22
  4. Step 4: Simplify right side
    722,330.91x = 343,904,754,333.94
  5. Step 5: Solve for x
    x = 343,904,754,333.94/722,330.91
  6. Step 6: Final answer
    x = 476,104.16

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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.