Home / 648,438.60-972,197.10-293,622.60

Finding the Fourth Proportional to 648,438.60, 972,197.10 and 293,622.60

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Solution

The fourth proportional to 648,438.60, 972,197.10 and 293,622.60 is: 440,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,438.60 : 972,197.10 = 293,622.60 : x
  2. Step 2: Convert to fraction form
    648,438.60/972,197.10 = 293,622.60/x
  3. Step 3: Cross multiply
    648,438.60x = 972,197.10 × 293,622.60
  4. Step 4: Simplify right side
    648,438.60x = 285,459,040,214.46
  5. Step 5: Solve for x
    x = 285,459,040,214.46/648,438.60
  6. Step 6: Final answer
    x = 440,225.24

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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.