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Finding the Fourth Proportional to 559,050.56, 771,969.28 and 540,974.40

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Solution

The fourth proportional to 559,050.56, 771,969.28 and 540,974.40 is: 747,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,050.56 : 771,969.28 = 540,974.40 : x
  2. Step 2: Convert to fraction form
    559,050.56/771,969.28 = 540,974.40/x
  3. Step 3: Cross multiply
    559,050.56x = 771,969.28 × 540,974.40
  4. Step 4: Simplify right side
    559,050.56x = 417,615,618,066.43
  5. Step 5: Solve for x
    x = 417,615,618,066.43/559,050.56
  6. Step 6: Final answer
    x = 747,008.67

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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.