Home / 842,005.80-1,263,008.70-576,285.30

Finding the Fourth Proportional to 842,005.80, 1,263,008.70 and 576,285.30

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Solution

The fourth proportional to 842,005.80, 1,263,008.70 and 576,285.30 is: 864,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,005.80 : 1,263,008.70 = 576,285.30 : x
  2. Step 2: Convert to fraction form
    842,005.80/1,263,008.70 = 576,285.30/x
  3. Step 3: Cross multiply
    842,005.80x = 1,263,008.70 × 576,285.30
  4. Step 4: Simplify right side
    842,005.80x = 727,853,347,582.11
  5. Step 5: Solve for x
    x = 727,853,347,582.11/842,005.80
  6. Step 6: Final answer
    x = 864,427.95

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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.