Home / 914,298.87-1,371,538.53-315,181.14

Finding the Fourth Proportional to 914,298.87, 1,371,538.53 and 315,181.14

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Solution

The fourth proportional to 914,298.87, 1,371,538.53 and 315,181.14 is: 472,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,298.87 : 1,371,538.53 = 315,181.14 : x
  2. Step 2: Convert to fraction form
    914,298.87/1,371,538.53 = 315,181.14/x
  3. Step 3: Cross multiply
    914,298.87x = 1,371,538.53 × 315,181.14
  4. Step 4: Simplify right side
    914,298.87x = 432,283,077,439.32
  5. Step 5: Solve for x
    x = 432,283,077,439.32/914,298.87
  6. Step 6: Final answer
    x = 472,802.81

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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.