Home / 914,312.73-1,371,559.30-315,195.01

Finding the Fourth Proportional to 914,312.73, 1,371,559.30 and 315,195.01

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Solution

The fourth proportional to 914,312.73, 1,371,559.30 and 315,195.01 is: 472,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,312.73 : 1,371,559.30 = 315,195.01 : x
  2. Step 2: Convert to fraction form
    914,312.73/1,371,559.30 = 315,195.01/x
  3. Step 3: Cross multiply
    914,312.73x = 1,371,559.30 × 315,195.01
  4. Step 4: Simplify right side
    914,312.73x = 432,308,648,067.08
  5. Step 5: Solve for x
    x = 432,308,648,067.08/914,312.73
  6. Step 6: Final answer
    x = 472,823.62

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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.