Home / 748,970.69-1,123,464.24-216,496.34

Finding the Fourth Proportional to 748,970.69, 1,123,464.24 and 216,496.34

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Solution

The fourth proportional to 748,970.69, 1,123,464.24 and 216,496.34 is: 324,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,970.69 : 1,123,464.24 = 216,496.34 : x
  2. Step 2: Convert to fraction form
    748,970.69/1,123,464.24 = 216,496.34/x
  3. Step 3: Cross multiply
    748,970.69x = 1,123,464.24 × 216,496.34
  4. Step 4: Simplify right side
    748,970.69x = 243,225,891,821.27
  5. Step 5: Solve for x
    x = 243,225,891,821.27/748,970.69
  6. Step 6: Final answer
    x = 324,746.87

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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.