Home / 558,916.51-838,498.47-203,929.50

Finding the Fourth Proportional to 558,916.51, 838,498.47 and 203,929.50

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Solution

The fourth proportional to 558,916.51, 838,498.47 and 203,929.50 is: 305,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,916.51 : 838,498.47 = 203,929.50 : x
  2. Step 2: Convert to fraction form
    558,916.51/838,498.47 = 203,929.50/x
  3. Step 3: Cross multiply
    558,916.51x = 838,498.47 × 203,929.50
  4. Step 4: Simplify right side
    558,916.51x = 170,994,576,117.50
  5. Step 5: Solve for x
    x = 170,994,576,117.50/558,916.51
  6. Step 6: Final answer
    x = 305,939.39

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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.