Home / 810,457.52-1,214,599.60-630,759.92

Finding the Fourth Proportional to 810,457.52, 1,214,599.60 and 630,759.92

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Solution

The fourth proportional to 810,457.52, 1,214,599.60 and 630,759.92 is: 945,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,457.52 : 1,214,599.60 = 630,759.92 : x
  2. Step 2: Convert to fraction form
    810,457.52/1,214,599.60 = 630,759.92/x
  3. Step 3: Cross multiply
    810,457.52x = 1,214,599.60 × 630,759.92
  4. Step 4: Simplify right side
    810,457.52x = 766,120,746,528.03
  5. Step 5: Solve for x
    x = 766,120,746,528.03/810,457.52
  6. Step 6: Final answer
    x = 945,294.14

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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.