Home / 903,923.64-1,355,885.46-342,958.14

Finding the Fourth Proportional to 903,923.64, 1,355,885.46 and 342,958.14

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Solution

The fourth proportional to 903,923.64, 1,355,885.46 and 342,958.14 is: 514,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,923.64 : 1,355,885.46 = 342,958.14 : x
  2. Step 2: Convert to fraction form
    903,923.64/1,355,885.46 = 342,958.14/x
  3. Step 3: Cross multiply
    903,923.64x = 1,355,885.46 × 342,958.14
  4. Step 4: Simplify right side
    903,923.64x = 465,011,955,414.64
  5. Step 5: Solve for x
    x = 465,011,955,414.64/903,923.64
  6. Step 6: Final answer
    x = 514,437.21

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Similar ratio
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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.