Home / 346,904.20-519,578.70-284,696.20

Finding the Fourth Proportional to 346,904.20, 519,578.70 and 284,696.20

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Solution

The fourth proportional to 346,904.20, 519,578.70 and 284,696.20 is: 426,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,904.20 : 519,578.70 = 284,696.20 : x
  2. Step 2: Convert to fraction form
    346,904.20/519,578.70 = 284,696.20/x
  3. Step 3: Cross multiply
    346,904.20x = 519,578.70 × 284,696.20
  4. Step 4: Simplify right side
    346,904.20x = 147,922,081,490.94
  5. Step 5: Solve for x
    x = 147,922,081,490.94/346,904.20
  6. Step 6: Final answer
    x = 426,406.14

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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.