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Finding the Fourth Proportional to 508,750.20, 764,000.10 and 360,034.20

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Solution

The fourth proportional to 508,750.20, 764,000.10 and 360,034.20 is: 540,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,750.20 : 764,000.10 = 360,034.20 : x
  2. Step 2: Convert to fraction form
    508,750.20/764,000.10 = 360,034.20/x
  3. Step 3: Cross multiply
    508,750.20x = 764,000.10 × 360,034.20
  4. Step 4: Simplify right side
    508,750.20x = 275,066,164,803.42
  5. Step 5: Solve for x
    x = 275,066,164,803.42/508,750.20
  6. Step 6: Final answer
    x = 540,670.38

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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.