Home / 648,012.20-971,327.10-248,498.60

Finding the Fourth Proportional to 648,012.20, 971,327.10 and 248,498.60

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Solution

The fourth proportional to 648,012.20, 971,327.10 and 248,498.60 is: 372,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,012.20 : 971,327.10 = 248,498.60 : x
  2. Step 2: Convert to fraction form
    648,012.20/971,327.10 = 248,498.60/x
  3. Step 3: Cross multiply
    648,012.20x = 971,327.10 × 248,498.60
  4. Step 4: Simplify right side
    648,012.20x = 241,373,424,492.06
  5. Step 5: Solve for x
    x = 241,373,424,492.06/648,012.20
  6. Step 6: Final answer
    x = 372,482.84

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Similar ratio
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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.