Home / 656,921.15-906,716.33-370,607.31

Finding the Fourth Proportional to 656,921.15, 906,716.33 and 370,607.31

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Solution

The fourth proportional to 656,921.15, 906,716.33 and 370,607.31 is: 511,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,921.15 : 906,716.33 = 370,607.31 : x
  2. Step 2: Convert to fraction form
    656,921.15/906,716.33 = 370,607.31/x
  3. Step 3: Cross multiply
    656,921.15x = 906,716.33 × 370,607.31
  4. Step 4: Simplify right side
    656,921.15x = 336,035,699,994.37
  5. Step 5: Solve for x
    x = 336,035,699,994.37/656,921.15
  6. Step 6: Final answer
    x = 511,531.25

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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.