Home / 930,120.10-1,395,374.55-299,097.70

Finding the Fourth Proportional to 930,120.10, 1,395,374.55 and 299,097.70

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Solution

The fourth proportional to 930,120.10, 1,395,374.55 and 299,097.70 is: 448,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,120.10 : 1,395,374.55 = 299,097.70 : x
  2. Step 2: Convert to fraction form
    930,120.10/1,395,374.55 = 299,097.70/x
  3. Step 3: Cross multiply
    930,120.10x = 1,395,374.55 × 299,097.70
  4. Step 4: Simplify right side
    930,120.10x = 417,353,318,543.54
  5. Step 5: Solve for x
    x = 417,353,318,543.54/930,120.10
  6. Step 6: Final answer
    x = 448,709.06

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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.