Home / 746,120.52-1,029,643.08-406,588.80

Finding the Fourth Proportional to 746,120.52, 1,029,643.08 and 406,588.80

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Solution

The fourth proportional to 746,120.52, 1,029,643.08 and 406,588.80 is: 561,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,120.52 : 1,029,643.08 = 406,588.80 : x
  2. Step 2: Convert to fraction form
    746,120.52/1,029,643.08 = 406,588.80/x
  3. Step 3: Cross multiply
    746,120.52x = 1,029,643.08 × 406,588.80
  4. Step 4: Simplify right side
    746,120.52x = 418,641,344,325.50
  5. Step 5: Solve for x
    x = 418,641,344,325.50/746,120.52
  6. Step 6: Final answer
    x = 561,090.78

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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.