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Finding the Fourth Proportional to 657,255.76, 907,054.96 and 370,671.28

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Solution

The fourth proportional to 657,255.76, 907,054.96 and 370,671.28 is: 511,550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,255.76 : 907,054.96 = 370,671.28 : x
  2. Step 2: Convert to fraction form
    657,255.76/907,054.96 = 370,671.28/x
  3. Step 3: Cross multiply
    657,255.76x = 907,054.96 × 370,671.28
  4. Step 4: Simplify right side
    657,255.76x = 336,219,223,053.55
  5. Step 5: Solve for x
    x = 336,219,223,053.55/657,255.76
  6. Step 6: Final answer
    x = 511,550.06

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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.