Home / 508,582.77-701,845.10-279,141.57

Finding the Fourth Proportional to 508,582.77, 701,845.10 and 279,141.57

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Solution

The fourth proportional to 508,582.77, 701,845.10 and 279,141.57 is: 385,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,582.77 : 701,845.10 = 279,141.57 : x
  2. Step 2: Convert to fraction form
    508,582.77/701,845.10 = 279,141.57/x
  3. Step 3: Cross multiply
    508,582.77x = 701,845.10 × 279,141.57
  4. Step 4: Simplify right side
    508,582.77x = 195,914,141,715.10
  5. Step 5: Solve for x
    x = 195,914,141,715.10/508,582.77
  6. Step 6: Final answer
    x = 385,215.85

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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.