Home / 914,914.90-1,371,388.20-346,076.20

Finding the Fourth Proportional to 914,914.90, 1,371,388.20 and 346,076.20

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Solution

The fourth proportional to 914,914.90, 1,371,388.20 and 346,076.20 is: 518,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,914.90 : 1,371,388.20 = 346,076.20 : x
  2. Step 2: Convert to fraction form
    914,914.90/1,371,388.20 = 346,076.20/x
  3. Step 3: Cross multiply
    914,914.90x = 1,371,388.20 × 346,076.20
  4. Step 4: Simplify right side
    914,914.90x = 474,604,816,980.84
  5. Step 5: Solve for x
    x = 474,604,816,980.84/914,914.90
  6. Step 6: Final answer
    x = 518,742.03

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1.5x scale

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.