Home / 914,492.10-1,371,930.71-345,860.48

Finding the Fourth Proportional to 914,492.10, 1,371,930.71 and 345,860.48

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Solution

The fourth proportional to 914,492.10, 1,371,930.71 and 345,860.48 is: 518,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,492.10 : 1,371,930.71 = 345,860.48 : x
  2. Step 2: Convert to fraction form
    914,492.10/1,371,930.71 = 345,860.48/x
  3. Step 3: Cross multiply
    914,492.10x = 1,371,930.71 × 345,860.48
  4. Step 4: Simplify right side
    914,492.10x = 474,496,615,587.87
  5. Step 5: Solve for x
    x = 474,496,615,587.87/914,492.10
  6. Step 6: Final answer
    x = 518,863.55

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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.