Home / 672,127.56-1,008,191.34-553,322.43

Finding the Fourth Proportional to 672,127.56, 1,008,191.34 and 553,322.43

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Solution

The fourth proportional to 672,127.56, 1,008,191.34 and 553,322.43 is: 829,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,127.56 : 1,008,191.34 = 553,322.43 : x
  2. Step 2: Convert to fraction form
    672,127.56/1,008,191.34 = 553,322.43/x
  3. Step 3: Cross multiply
    672,127.56x = 1,008,191.34 × 553,322.43
  4. Step 4: Simplify right side
    672,127.56x = 557,854,882,153.76
  5. Step 5: Solve for x
    x = 557,854,882,153.76/672,127.56
  6. Step 6: Final answer
    x = 829,983.65

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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.