Home / 854,017.20-1,279,643.40-537,908.40

Finding the Fourth Proportional to 854,017.20, 1,279,643.40 and 537,908.40

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Solution

The fourth proportional to 854,017.20, 1,279,643.40 and 537,908.40 is: 805,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,017.20 : 1,279,643.40 = 537,908.40 : x
  2. Step 2: Convert to fraction form
    854,017.20/1,279,643.40 = 537,908.40/x
  3. Step 3: Cross multiply
    854,017.20x = 1,279,643.40 × 537,908.40
  4. Step 4: Simplify right side
    854,017.20x = 688,330,933,864.56
  5. Step 5: Solve for x
    x = 688,330,933,864.56/854,017.20
  6. Step 6: Final answer
    x = 805,991.89

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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.