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Finding the Fourth Proportional to 657,106.50, 906,838.56 and 370,620.03

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Solution

The fourth proportional to 657,106.50, 906,838.56 and 370,620.03 is: 511,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,106.50 : 906,838.56 = 370,620.03 : x
  2. Step 2: Convert to fraction form
    657,106.50/906,838.56 = 370,620.03/x
  3. Step 3: Cross multiply
    657,106.50x = 906,838.56 × 370,620.03
  4. Step 4: Simplify right side
    657,106.50x = 336,092,534,312.36
  5. Step 5: Solve for x
    x = 336,092,534,312.36/657,106.50
  6. Step 6: Final answer
    x = 511,473.46

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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.