Home / 812,952.98-1,120,068.57-536,820.47

Finding the Fourth Proportional to 812,952.98, 1,120,068.57 and 536,820.47

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Solution

The fourth proportional to 812,952.98, 1,120,068.57 and 536,820.47 is: 739,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,952.98 : 1,120,068.57 = 536,820.47 : x
  2. Step 2: Convert to fraction form
    812,952.98/1,120,068.57 = 536,820.47/x
  3. Step 3: Cross multiply
    812,952.98x = 1,120,068.57 × 536,820.47
  4. Step 4: Simplify right side
    812,952.98x = 601,275,730,579.29
  5. Step 5: Solve for x
    x = 601,275,730,579.29/812,952.98
  6. Step 6: Final answer
    x = 739,619.32

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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.