Home / 854,119.51-1,178,698.91-509,985.52

Finding the Fourth Proportional to 854,119.51, 1,178,698.91 and 509,985.52

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Solution

The fourth proportional to 854,119.51, 1,178,698.91 and 509,985.52 is: 703,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,119.51 : 1,178,698.91 = 509,985.52 : x
  2. Step 2: Convert to fraction form
    854,119.51/1,178,698.91 = 509,985.52/x
  3. Step 3: Cross multiply
    854,119.51x = 1,178,698.91 × 509,985.52
  4. Step 4: Simplify right side
    854,119.51x = 601,119,371,043.11
  5. Step 5: Solve for x
    x = 601,119,371,043.11/854,119.51
  6. Step 6: Final answer
    x = 703,788.36

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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.