Home / 810,456.52-1,214,598.10-630,758.92

Finding the Fourth Proportional to 810,456.52, 1,214,598.10 and 630,758.92

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Solution

The fourth proportional to 810,456.52, 1,214,598.10 and 630,758.92 is: 945,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,456.52 : 1,214,598.10 = 630,758.92 : x
  2. Step 2: Convert to fraction form
    810,456.52/1,214,598.10 = 630,758.92/x
  3. Step 3: Cross multiply
    810,456.52x = 1,214,598.10 × 630,758.92
  4. Step 4: Simplify right side
    810,456.52x = 766,118,585,790.05
  5. Step 5: Solve for x
    x = 766,118,585,790.05/810,456.52
  6. Step 6: Final answer
    x = 945,292.64

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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.