Home / 842,851.63-1,162,911.09-480,267.73

Finding the Fourth Proportional to 842,851.63, 1,162,911.09 and 480,267.73

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Solution

The fourth proportional to 842,851.63, 1,162,911.09 and 480,267.73 is: 662,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,851.63 : 1,162,911.09 = 480,267.73 : x
  2. Step 2: Convert to fraction form
    842,851.63/1,162,911.09 = 480,267.73/x
  3. Step 3: Cross multiply
    842,851.63x = 1,162,911.09 × 480,267.73
  4. Step 4: Simplify right side
    842,851.63x = 558,508,669,386.13
  5. Step 5: Solve for x
    x = 558,508,669,386.13/842,851.63
  6. Step 6: Final answer
    x = 662,641.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.