Home / 672,819.02-1,009,423.34-199,515.76

Finding the Fourth Proportional to 672,819.02, 1,009,423.34 and 199,515.76

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Solution

The fourth proportional to 672,819.02, 1,009,423.34 and 199,515.76 is: 299,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,819.02 : 1,009,423.34 = 199,515.76 : x
  2. Step 2: Convert to fraction form
    672,819.02/1,009,423.34 = 199,515.76/x
  3. Step 3: Cross multiply
    672,819.02x = 1,009,423.34 × 199,515.76
  4. Step 4: Simplify right side
    672,819.02x = 201,395,864,841.84
  5. Step 5: Solve for x
    x = 201,395,864,841.84/672,819.02
  6. Step 6: Final answer
    x = 299,331.41

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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.