Home / 821,650.60-1,233,642.30-506,722.60

Finding the Fourth Proportional to 821,650.60, 1,233,642.30 and 506,722.60

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Solution

The fourth proportional to 821,650.60, 1,233,642.30 and 506,722.60 is: 760,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,650.60 : 1,233,642.30 = 506,722.60 : x
  2. Step 2: Convert to fraction form
    821,650.60/1,233,642.30 = 506,722.60/x
  3. Step 3: Cross multiply
    821,650.60x = 1,233,642.30 × 506,722.60
  4. Step 4: Simplify right side
    821,650.60x = 625,114,433,725.98
  5. Step 5: Solve for x
    x = 625,114,433,725.98/821,650.60
  6. Step 6: Final answer
    x = 760,803.23

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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.