Home / 672,030.60-1,008,132.30-335,243.40

Finding the Fourth Proportional to 672,030.60, 1,008,132.30 and 335,243.40

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Solution

The fourth proportional to 672,030.60, 1,008,132.30 and 335,243.40 is: 502,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,030.60 : 1,008,132.30 = 335,243.40 : x
  2. Step 2: Convert to fraction form
    672,030.60/1,008,132.30 = 335,243.40/x
  3. Step 3: Cross multiply
    672,030.60x = 1,008,132.30 × 335,243.40
  4. Step 4: Simplify right side
    672,030.60x = 337,969,699,901.82
  5. Step 5: Solve for x
    x = 337,969,699,901.82/672,030.60
  6. Step 6: Final answer
    x = 502,908.20

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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.