Home / 494,411.10-741,640.95-258,215.10

Finding the Fourth Proportional to 494,411.10, 741,640.95 and 258,215.10

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Solution

The fourth proportional to 494,411.10, 741,640.95 and 258,215.10 is: 387,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,411.10 : 741,640.95 = 258,215.10 : x
  2. Step 2: Convert to fraction form
    494,411.10/741,640.95 = 258,215.10/x
  3. Step 3: Cross multiply
    494,411.10x = 741,640.95 × 258,215.10
  4. Step 4: Simplify right side
    494,411.10x = 191,502,892,068.35
  5. Step 5: Solve for x
    x = 191,502,892,068.35/494,411.10
  6. Step 6: Final answer
    x = 387,335.34

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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.