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Finding the Fourth Proportional to 657,074.80, 906,763 and 370,594.24

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Solution

The fourth proportional to 657,074.80, 906,763 and 370,594.24 is: 511,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,074.80 : 906,763 = 370,594.24 : x
  2. Step 2: Convert to fraction form
    657,074.80/906,763 = 370,594.24/x
  3. Step 3: Cross multiply
    657,074.80x = 906,763 × 370,594.24
  4. Step 4: Simplify right side
    657,074.80x = 336,041,144,845.12
  5. Step 5: Solve for x
    x = 336,041,144,845.12/657,074.80
  6. Step 6: Final answer
    x = 511,419.92

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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.