Home / 877,546.92-1,316,320.38-212,698.92

Finding the Fourth Proportional to 877,546.92, 1,316,320.38 and 212,698.92

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Solution

The fourth proportional to 877,546.92, 1,316,320.38 and 212,698.92 is: 319,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,546.92 : 1,316,320.38 = 212,698.92 : x
  2. Step 2: Convert to fraction form
    877,546.92/1,316,320.38 = 212,698.92/x
  3. Step 3: Cross multiply
    877,546.92x = 1,316,320.38 × 212,698.92
  4. Step 4: Simplify right side
    877,546.92x = 279,979,923,199.99
  5. Step 5: Solve for x
    x = 279,979,923,199.99/877,546.92
  6. Step 6: Final answer
    x = 319,048.38

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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.