Home / 645,374.76-968,503.19-224,650.64

Finding the Fourth Proportional to 645,374.76, 968,503.19 and 224,650.64

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Solution

The fourth proportional to 645,374.76, 968,503.19 and 224,650.64 is: 337,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,374.76 : 968,503.19 = 224,650.64 : x
  2. Step 2: Convert to fraction form
    645,374.76/968,503.19 = 224,650.64/x
  3. Step 3: Cross multiply
    645,374.76x = 968,503.19 × 224,650.64
  4. Step 4: Simplify right side
    645,374.76x = 217,574,855,509.77
  5. Step 5: Solve for x
    x = 217,574,855,509.77/645,374.76
  6. Step 6: Final answer
    x = 337,129.48

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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.