Home / 648,002.70-971,312.85-248,489.10

Finding the Fourth Proportional to 648,002.70, 971,312.85 and 248,489.10

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Solution

The fourth proportional to 648,002.70, 971,312.85 and 248,489.10 is: 372,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,002.70 : 971,312.85 = 248,489.10 : x
  2. Step 2: Convert to fraction form
    648,002.70/971,312.85 = 248,489.10/x
  3. Step 3: Cross multiply
    648,002.70x = 971,312.85 × 248,489.10
  4. Step 4: Simplify right side
    648,002.70x = 241,360,655,914.94
  5. Step 5: Solve for x
    x = 241,360,655,914.94/648,002.70
  6. Step 6: Final answer
    x = 372,468.60

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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.