Home / 854,368.77-1,178,473.40-547,959.82

Finding the Fourth Proportional to 854,368.77, 1,178,473.40 and 547,959.82

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Solution

The fourth proportional to 854,368.77, 1,178,473.40 and 547,959.82 is: 755,828.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,368.77 : 1,178,473.40 = 547,959.82 : x
  2. Step 2: Convert to fraction form
    854,368.77/1,178,473.40 = 547,959.82/x
  3. Step 3: Cross multiply
    854,368.77x = 1,178,473.40 × 547,959.82
  4. Step 4: Simplify right side
    854,368.77x = 645,756,068,507.66
  5. Step 5: Solve for x
    x = 645,756,068,507.66/854,368.77
  6. Step 6: Final answer
    x = 755,828.27

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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.