Home / 493,363.20-740,270.79-268,386.51

Finding the Fourth Proportional to 493,363.20, 740,270.79 and 268,386.51

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Solution

The fourth proportional to 493,363.20, 740,270.79 and 268,386.51 is: 402,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,363.20 : 740,270.79 = 268,386.51 : x
  2. Step 2: Convert to fraction form
    493,363.20/740,270.79 = 268,386.51/x
  3. Step 3: Cross multiply
    493,363.20x = 740,270.79 × 268,386.51
  4. Step 4: Simplify right side
    493,363.20x = 198,678,692,441.11
  5. Step 5: Solve for x
    x = 198,678,692,441.11/493,363.20
  6. Step 6: Final answer
    x = 402,702.70

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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.