Home / 930,187.20-1,395,518.40-299,107.20

Finding the Fourth Proportional to 930,187.20, 1,395,518.40 and 299,107.20

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Solution

The fourth proportional to 930,187.20, 1,395,518.40 and 299,107.20 is: 448,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,187.20 : 1,395,518.40 = 299,107.20 : x
  2. Step 2: Convert to fraction form
    930,187.20/1,395,518.40 = 299,107.20/x
  3. Step 3: Cross multiply
    930,187.20x = 1,395,518.40 × 299,107.20
  4. Step 4: Simplify right side
    930,187.20x = 417,409,601,172.48
  5. Step 5: Solve for x
    x = 417,409,601,172.48/930,187.20
  6. Step 6: Final answer
    x = 448,737.20

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Double scale
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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.