Home / 657,374.12-907,157.82-370,920.86

Finding the Fourth Proportional to 657,374.12, 907,157.82 and 370,920.86

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Solution

The fourth proportional to 657,374.12, 907,157.82 and 370,920.86 is: 511,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,374.12 : 907,157.82 = 370,920.86 : x
  2. Step 2: Convert to fraction form
    657,374.12/907,157.82 = 370,920.86/x
  3. Step 3: Cross multiply
    657,374.12x = 907,157.82 × 370,920.86
  4. Step 4: Simplify right side
    657,374.12x = 336,483,758,750.13
  5. Step 5: Solve for x
    x = 336,483,758,750.13/657,374.12
  6. Step 6: Final answer
    x = 511,860.37

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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.