Home / 615,280.20-923,438.70-300,006.60

Finding the Fourth Proportional to 615,280.20, 923,438.70 and 300,006.60

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Solution

The fourth proportional to 615,280.20, 923,438.70 and 300,006.60 is: 450,262.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,280.20 : 923,438.70 = 300,006.60 : x
  2. Step 2: Convert to fraction form
    615,280.20/923,438.70 = 300,006.60/x
  3. Step 3: Cross multiply
    615,280.20x = 923,438.70 × 300,006.60
  4. Step 4: Simplify right side
    615,280.20x = 277,037,704,695.42
  5. Step 5: Solve for x
    x = 277,037,704,695.42/615,280.20
  6. Step 6: Final answer
    x = 450,262.67

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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.