Home / 906,411.31-1,359,705.74-330,191.18

Finding the Fourth Proportional to 906,411.31, 1,359,705.74 and 330,191.18

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Solution

The fourth proportional to 906,411.31, 1,359,705.74 and 330,191.18 is: 495,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,411.31 : 1,359,705.74 = 330,191.18 : x
  2. Step 2: Convert to fraction form
    906,411.31/1,359,705.74 = 330,191.18/x
  3. Step 3: Cross multiply
    906,411.31x = 1,359,705.74 × 330,191.18
  4. Step 4: Simplify right side
    906,411.31x = 448,962,848,898.46
  5. Step 5: Solve for x
    x = 448,962,848,898.46/906,411.31
  6. Step 6: Final answer
    x = 495,319.11

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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.