Home / 810,547.73-1,214,619.27-330,188.72

Finding the Fourth Proportional to 810,547.73, 1,214,619.27 and 330,188.72

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Solution

The fourth proportional to 810,547.73, 1,214,619.27 and 330,188.72 is: 494,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,547.73 : 1,214,619.27 = 330,188.72 : x
  2. Step 2: Convert to fraction form
    810,547.73/1,214,619.27 = 330,188.72/x
  3. Step 3: Cross multiply
    810,547.73x = 1,214,619.27 × 330,188.72
  4. Step 4: Simplify right side
    810,547.73x = 401,053,580,397.69
  5. Step 5: Solve for x
    x = 401,053,580,397.69/810,547.73
  6. Step 6: Final answer
    x = 494,793.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.