Home / 743,527.31-1,113,794.08-343,617.35

Finding the Fourth Proportional to 743,527.31, 1,113,794.08 and 343,617.35

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Solution

The fourth proportional to 743,527.31, 1,113,794.08 and 343,617.35 is: 514,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,527.31 : 1,113,794.08 = 343,617.35 : x
  2. Step 2: Convert to fraction form
    743,527.31/1,113,794.08 = 343,617.35/x
  3. Step 3: Cross multiply
    743,527.31x = 1,113,794.08 × 343,617.35
  4. Step 4: Simplify right side
    743,527.31x = 382,718,963,787.27
  5. Step 5: Solve for x
    x = 382,718,963,787.27/743,527.31
  6. Step 6: Final answer
    x = 514,734.24

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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.