Home / 579,564.51-869,128.35-242,628.44

Finding the Fourth Proportional to 579,564.51, 869,128.35 and 242,628.44

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Solution

The fourth proportional to 579,564.51, 869,128.35 and 242,628.44 is: 363,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,564.51 : 869,128.35 = 242,628.44 : x
  2. Step 2: Convert to fraction form
    579,564.51/869,128.35 = 242,628.44/x
  3. Step 3: Cross multiply
    579,564.51x = 869,128.35 × 242,628.44
  4. Step 4: Simplify right side
    579,564.51x = 210,875,251,374.63
  5. Step 5: Solve for x
    x = 210,875,251,374.63/579,564.51
  6. Step 6: Final answer
    x = 363,851.22

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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.