Home / 561,916.36-842,734.23-220,429.19

Finding the Fourth Proportional to 561,916.36, 842,734.23 and 220,429.19

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Solution

The fourth proportional to 561,916.36, 842,734.23 and 220,429.19 is: 330,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,916.36 : 842,734.23 = 220,429.19 : x
  2. Step 2: Convert to fraction form
    561,916.36/842,734.23 = 220,429.19/x
  3. Step 3: Cross multiply
    561,916.36x = 842,734.23 × 220,429.19
  4. Step 4: Simplify right side
    561,916.36x = 185,763,223,704.17
  5. Step 5: Solve for x
    x = 185,763,223,704.17/561,916.36
  6. Step 6: Final answer
    x = 330,588.74

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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.