Home / 506,183.31-698,671.58-315,083.25

Finding the Fourth Proportional to 506,183.31, 698,671.58 and 315,083.25

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Solution

The fourth proportional to 506,183.31, 698,671.58 and 315,083.25 is: 434,901.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,183.31 : 698,671.58 = 315,083.25 : x
  2. Step 2: Convert to fraction form
    506,183.31/698,671.58 = 315,083.25/x
  3. Step 3: Cross multiply
    506,183.31x = 698,671.58 × 315,083.25
  4. Step 4: Simplify right side
    506,183.31x = 220,139,710,533.62
  5. Step 5: Solve for x
    x = 220,139,710,533.62/506,183.31
  6. Step 6: Final answer
    x = 434,901.16

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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.