Home / 914,698.43-1,371,315-434,685.35

Finding the Fourth Proportional to 914,698.43, 1,371,315 and 434,685.35

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Solution

The fourth proportional to 914,698.43, 1,371,315 and 434,685.35 is: 651,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,698.43 : 1,371,315 = 434,685.35 : x
  2. Step 2: Convert to fraction form
    914,698.43/1,371,315 = 434,685.35/x
  3. Step 3: Cross multiply
    914,698.43x = 1,371,315 × 434,685.35
  4. Step 4: Simplify right side
    914,698.43x = 596,090,540,735.25
  5. Step 5: Solve for x
    x = 596,090,540,735.25/914,698.43
  6. Step 6: Final answer
    x = 651,679.86

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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.