Home / 872,898.93-1,204,588.67-490,925.61

Finding the Fourth Proportional to 872,898.93, 1,204,588.67 and 490,925.61

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Solution

The fourth proportional to 872,898.93, 1,204,588.67 and 490,925.61 is: 677,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,898.93 : 1,204,588.67 = 490,925.61 : x
  2. Step 2: Convert to fraction form
    872,898.93/1,204,588.67 = 490,925.61/x
  3. Step 3: Cross multiply
    872,898.93x = 1,204,588.67 × 490,925.61
  4. Step 4: Simplify right side
    872,898.93x = 591,363,425,164.21
  5. Step 5: Solve for x
    x = 591,363,425,164.21/872,898.93
  6. Step 6: Final answer
    x = 677,470.67

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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.