Home / 745,784.66-1,029,183.09-406,252.91

Finding the Fourth Proportional to 745,784.66, 1,029,183.09 and 406,252.91

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Solution

The fourth proportional to 745,784.66, 1,029,183.09 and 406,252.91 is: 560,629.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,784.66 : 1,029,183.09 = 406,252.91 : x
  2. Step 2: Convert to fraction form
    745,784.66/1,029,183.09 = 406,252.91/x
  3. Step 3: Cross multiply
    745,784.66x = 1,029,183.09 × 406,252.91
  4. Step 4: Simplify right side
    745,784.66x = 418,108,625,235.29
  5. Step 5: Solve for x
    x = 418,108,625,235.29/745,784.66
  6. Step 6: Final answer
    x = 560,629.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.