Home / 434,178.18-650,479.92-424,730.34

Finding the Fourth Proportional to 434,178.18, 650,479.92 and 424,730.34

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Solution

The fourth proportional to 434,178.18, 650,479.92 and 424,730.34 is: 636,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,178.18 : 650,479.92 = 424,730.34 : x
  2. Step 2: Convert to fraction form
    434,178.18/650,479.92 = 424,730.34/x
  3. Step 3: Cross multiply
    434,178.18x = 650,479.92 × 424,730.34
  4. Step 4: Simplify right side
    434,178.18x = 276,278,557,584.77
  5. Step 5: Solve for x
    x = 276,278,557,584.77/434,178.18
  6. Step 6: Final answer
    x = 636,325.29

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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.