Home / 648,723.60-973,178.40-199,482.20

Finding the Fourth Proportional to 648,723.60, 973,178.40 and 199,482.20

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Solution

The fourth proportional to 648,723.60, 973,178.40 and 199,482.20 is: 299,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,723.60 : 973,178.40 = 199,482.20 : x
  2. Step 2: Convert to fraction form
    648,723.60/973,178.40 = 199,482.20/x
  3. Step 3: Cross multiply
    648,723.60x = 973,178.40 × 199,482.20
  4. Step 4: Simplify right side
    648,723.60x = 194,131,768,224.48
  5. Step 5: Solve for x
    x = 194,131,768,224.48/648,723.60
  6. Step 6: Final answer
    x = 299,251.90

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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.