Home / 757,647.72-1,045,578.96-413,502.48

Finding the Fourth Proportional to 757,647.72, 1,045,578.96 and 413,502.48

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Solution

The fourth proportional to 757,647.72, 1,045,578.96 and 413,502.48 is: 570,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,647.72 : 1,045,578.96 = 413,502.48 : x
  2. Step 2: Convert to fraction form
    757,647.72/1,045,578.96 = 413,502.48/x
  3. Step 3: Cross multiply
    757,647.72x = 1,045,578.96 × 413,502.48
  4. Step 4: Simplify right side
    757,647.72x = 432,349,492,995.82
  5. Step 5: Solve for x
    x = 432,349,492,995.82/757,647.72
  6. Step 6: Final answer
    x = 570,647.12

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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.