Home / 805,480.02-1,111,285.85-499,446.27

Finding the Fourth Proportional to 805,480.02, 1,111,285.85 and 499,446.27

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Solution

The fourth proportional to 805,480.02, 1,111,285.85 and 499,446.27 is: 689,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,480.02 : 1,111,285.85 = 499,446.27 : x
  2. Step 2: Convert to fraction form
    805,480.02/1,111,285.85 = 499,446.27/x
  3. Step 3: Cross multiply
    805,480.02x = 1,111,285.85 × 499,446.27
  4. Step 4: Simplify right side
    805,480.02x = 555,027,570,189.05
  5. Step 5: Solve for x
    x = 555,027,570,189.05/805,480.02
  6. Step 6: Final answer
    x = 689,064.35

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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.