Home / 755,312.16-1,042,344.08-411,157.96

Finding the Fourth Proportional to 755,312.16, 1,042,344.08 and 411,157.96

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Solution

The fourth proportional to 755,312.16, 1,042,344.08 and 411,157.96 is: 567,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,312.16 : 1,042,344.08 = 411,157.96 : x
  2. Step 2: Convert to fraction form
    755,312.16/1,042,344.08 = 411,157.96/x
  3. Step 3: Cross multiply
    755,312.16x = 1,042,344.08 × 411,157.96
  4. Step 4: Simplify right side
    755,312.16x = 428,568,065,550.88
  5. Step 5: Solve for x
    x = 428,568,065,550.88/755,312.16
  6. Step 6: Final answer
    x = 567,405.22

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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.