Home / 792,688.64-1,189,421.76-371,998.72

Finding the Fourth Proportional to 792,688.64, 1,189,421.76 and 371,998.72

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Solution

The fourth proportional to 792,688.64, 1,189,421.76 and 371,998.72 is: 558,180.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,688.64 : 1,189,421.76 = 371,998.72 : x
  2. Step 2: Convert to fraction form
    792,688.64/1,189,421.76 = 371,998.72/x
  3. Step 3: Cross multiply
    792,688.64x = 1,189,421.76 × 371,998.72
  4. Step 4: Simplify right side
    792,688.64x = 442,463,372,260.15
  5. Step 5: Solve for x
    x = 442,463,372,260.15/792,688.64
  6. Step 6: Final answer
    x = 558,180.54

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1.5x scale

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.