Home / 908,421.36-1,253,719.53-500,564.22

Finding the Fourth Proportional to 908,421.36, 1,253,719.53 and 500,564.22

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Solution

The fourth proportional to 908,421.36, 1,253,719.53 and 500,564.22 is: 690,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,421.36 : 1,253,719.53 = 500,564.22 : x
  2. Step 2: Convert to fraction form
    908,421.36/1,253,719.53 = 500,564.22/x
  3. Step 3: Cross multiply
    908,421.36x = 1,253,719.53 × 500,564.22
  4. Step 4: Simplify right side
    908,421.36x = 627,567,138,633.22
  5. Step 5: Solve for x
    x = 627,567,138,633.22/908,421.36
  6. Step 6: Final answer
    x = 690,832.65

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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.