Home / 908,849.22-1,254,154.89-500,928.61

Finding the Fourth Proportional to 908,849.22, 1,254,154.89 and 500,928.61

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Solution

The fourth proportional to 908,849.22, 1,254,154.89 and 500,928.61 is: 691,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,849.22 : 1,254,154.89 = 500,928.61 : x
  2. Step 2: Convert to fraction form
    908,849.22/1,254,154.89 = 500,928.61/x
  3. Step 3: Cross multiply
    908,849.22x = 1,254,154.89 × 500,928.61
  4. Step 4: Simplify right side
    908,849.22x = 628,242,065,772.40
  5. Step 5: Solve for x
    x = 628,242,065,772.40/908,849.22
  6. Step 6: Final answer
    x = 691,250.05

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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.