Home / 930,175.20-1,395,500.40-299,095.20

Finding the Fourth Proportional to 930,175.20, 1,395,500.40 and 299,095.20

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Solution

The fourth proportional to 930,175.20, 1,395,500.40 and 299,095.20 is: 448,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,175.20 : 1,395,500.40 = 299,095.20 : x
  2. Step 2: Convert to fraction form
    930,175.20/1,395,500.40 = 299,095.20/x
  3. Step 3: Cross multiply
    930,175.20x = 1,395,500.40 × 299,095.20
  4. Step 4: Simplify right side
    930,175.20x = 417,387,471,238.08
  5. Step 5: Solve for x
    x = 417,387,471,238.08/930,175.20
  6. Step 6: Final answer
    x = 448,719.20

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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.