Home / 723,124.18-1,084,248.73-323,690.50

Finding the Fourth Proportional to 723,124.18, 1,084,248.73 and 323,690.50

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Solution

The fourth proportional to 723,124.18, 1,084,248.73 and 323,690.50 is: 485,339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,124.18 : 1,084,248.73 = 323,690.50 : x
  2. Step 2: Convert to fraction form
    723,124.18/1,084,248.73 = 323,690.50/x
  3. Step 3: Cross multiply
    723,124.18x = 1,084,248.73 × 323,690.50
  4. Step 4: Simplify right side
    723,124.18x = 350,961,013,538.07
  5. Step 5: Solve for x
    x = 350,961,013,538.07/723,124.18
  6. Step 6: Final answer
    x = 485,339.89

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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.