Home / 499,202.08-688,888.74-272,849.20

Finding the Fourth Proportional to 499,202.08, 688,888.74 and 272,849.20

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Solution

The fourth proportional to 499,202.08, 688,888.74 and 272,849.20 is: 376,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,202.08 : 688,888.74 = 272,849.20 : x
  2. Step 2: Convert to fraction form
    499,202.08/688,888.74 = 272,849.20/x
  3. Step 3: Cross multiply
    499,202.08x = 688,888.74 × 272,849.20
  4. Step 4: Simplify right side
    499,202.08x = 187,962,741,598.01
  5. Step 5: Solve for x
    x = 187,962,741,598.01/499,202.08
  6. Step 6: Final answer
    x = 376,526.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.