Home / 821,960.60-1,232,019.30-348,565.40

Finding the Fourth Proportional to 821,960.60, 1,232,019.30 and 348,565.40

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Solution

The fourth proportional to 821,960.60, 1,232,019.30 and 348,565.40 is: 522,457.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,960.60 : 1,232,019.30 = 348,565.40 : x
  2. Step 2: Convert to fraction form
    821,960.60/1,232,019.30 = 348,565.40/x
  3. Step 3: Cross multiply
    821,960.60x = 1,232,019.30 × 348,565.40
  4. Step 4: Simplify right side
    821,960.60x = 429,439,300,112.22
  5. Step 5: Solve for x
    x = 429,439,300,112.22/821,960.60
  6. Step 6: Final answer
    x = 522,457.28

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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.