Home / 854,612.56-1,179,513.32-515,081.20

Finding the Fourth Proportional to 854,612.56, 1,179,513.32 and 515,081.20

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Solution

The fourth proportional to 854,612.56, 1,179,513.32 and 515,081.20 is: 710,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,612.56 : 1,179,513.32 = 515,081.20 : x
  2. Step 2: Convert to fraction form
    854,612.56/1,179,513.32 = 515,081.20/x
  3. Step 3: Cross multiply
    854,612.56x = 1,179,513.32 × 515,081.20
  4. Step 4: Simplify right side
    854,612.56x = 607,545,136,281.58
  5. Step 5: Solve for x
    x = 607,545,136,281.58/854,612.56
  6. Step 6: Final answer
    x = 710,901.25

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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.