Home / 850,218.12-1,172,327.58-634,994.64

Finding the Fourth Proportional to 850,218.12, 1,172,327.58 and 634,994.64

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Solution

The fourth proportional to 850,218.12, 1,172,327.58 and 634,994.64 is: 875,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,218.12 : 1,172,327.58 = 634,994.64 : x
  2. Step 2: Convert to fraction form
    850,218.12/1,172,327.58 = 634,994.64/x
  3. Step 3: Cross multiply
    850,218.12x = 1,172,327.58 × 634,994.64
  4. Step 4: Simplify right side
    850,218.12x = 744,421,729,624.17
  5. Step 5: Solve for x
    x = 744,421,729,624.17/850,218.12
  6. Step 6: Final answer
    x = 875,565.59

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1.5x scale

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.