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Finding the Fourth Proportional to 577,755.45, 797,502.93 and 397,065.51

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Solution

The fourth proportional to 577,755.45, 797,502.93 and 397,065.51 is: 548,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,755.45 : 797,502.93 = 397,065.51 : x
  2. Step 2: Convert to fraction form
    577,755.45/797,502.93 = 397,065.51/x
  3. Step 3: Cross multiply
    577,755.45x = 797,502.93 × 397,065.51
  4. Step 4: Simplify right side
    577,755.45x = 316,660,907,626.94
  5. Step 5: Solve for x
    x = 316,660,907,626.94/577,755.45
  6. Step 6: Final answer
    x = 548,088.14

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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.