Home / 914,307.75-1,371,551.82-315,190.02

Finding the Fourth Proportional to 914,307.75, 1,371,551.82 and 315,190.02

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Solution

The fourth proportional to 914,307.75, 1,371,551.82 and 315,190.02 is: 472,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,307.75 : 1,371,551.82 = 315,190.02 : x
  2. Step 2: Convert to fraction form
    914,307.75/1,371,551.82 = 315,190.02/x
  3. Step 3: Cross multiply
    914,307.75x = 1,371,551.82 × 315,190.02
  4. Step 4: Simplify right side
    914,307.75x = 432,299,445,576.84
  5. Step 5: Solve for x
    x = 432,299,445,576.84/914,307.75
  6. Step 6: Final answer
    x = 472,816.12

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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.