Home / 817,484.80-1,228,300.80-726,246.40

Finding the Fourth Proportional to 817,484.80, 1,228,300.80 and 726,246.40

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Solution

The fourth proportional to 817,484.80, 1,228,300.80 and 726,246.40 is: 1,091,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,484.80 : 1,228,300.80 = 726,246.40 : x
  2. Step 2: Convert to fraction form
    817,484.80/1,228,300.80 = 726,246.40/x
  3. Step 3: Cross multiply
    817,484.80x = 1,228,300.80 × 726,246.40
  4. Step 4: Simplify right side
    817,484.80x = 892,049,034,117.12
  5. Step 5: Solve for x
    x = 892,049,034,117.12/817,484.80
  6. Step 6: Final answer
    x = 1,091,211.77

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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.