Home / 762,612.34-1,052,498.36-440,321.89

Finding the Fourth Proportional to 762,612.34, 1,052,498.36 and 440,321.89

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Solution

The fourth proportional to 762,612.34, 1,052,498.36 and 440,321.89 is: 607,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,612.34 : 1,052,498.36 = 440,321.89 : x
  2. Step 2: Convert to fraction form
    762,612.34/1,052,498.36 = 440,321.89/x
  3. Step 3: Cross multiply
    762,612.34x = 1,052,498.36 × 440,321.89
  4. Step 4: Simplify right side
    762,612.34x = 463,438,065,996.30
  5. Step 5: Solve for x
    x = 463,438,065,996.30/762,612.34
  6. Step 6: Final answer
    x = 607,698.10

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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.