Home / 648,107.20-971,869.20-248,615.20

Finding the Fourth Proportional to 648,107.20, 971,869.20 and 248,615.20

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Solution

The fourth proportional to 648,107.20, 971,869.20 and 248,615.20 is: 372,810.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,107.20 : 971,869.20 = 248,615.20 : x
  2. Step 2: Convert to fraction form
    648,107.20/971,869.20 = 248,615.20/x
  3. Step 3: Cross multiply
    648,107.20x = 971,869.20 × 248,615.20
  4. Step 4: Simplify right side
    648,107.20x = 241,621,455,531.84
  5. Step 5: Solve for x
    x = 241,621,455,531.84/648,107.20
  6. Step 6: Final answer
    x = 372,810.94

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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.