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Finding the Fourth Proportional to 637,217.20, 954,270.60 and 304,404.40

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Solution

The fourth proportional to 637,217.20, 954,270.60 and 304,404.40 is: 455,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,217.20 : 954,270.60 = 304,404.40 : x
  2. Step 2: Convert to fraction form
    637,217.20/954,270.60 = 304,404.40/x
  3. Step 3: Cross multiply
    637,217.20x = 954,270.60 × 304,404.40
  4. Step 4: Simplify right side
    637,217.20x = 290,484,169,430.64
  5. Step 5: Solve for x
    x = 290,484,169,430.64/637,217.20
  6. Step 6: Final answer
    x = 455,863.67

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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.