Home / 874,636.64-1,206,949.76-482,156.93

Finding the Fourth Proportional to 874,636.64, 1,206,949.76 and 482,156.93

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Solution

The fourth proportional to 874,636.64, 1,206,949.76 and 482,156.93 is: 665,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,636.64 : 1,206,949.76 = 482,156.93 : x
  2. Step 2: Convert to fraction form
    874,636.64/1,206,949.76 = 482,156.93/x
  3. Step 3: Cross multiply
    874,636.64x = 1,206,949.76 × 482,156.93
  4. Step 4: Simplify right side
    874,636.64x = 581,939,193,360.52
  5. Step 5: Solve for x
    x = 581,939,193,360.52/874,636.64
  6. Step 6: Final answer
    x = 665,349.66

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1.5x scale

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.