Home / 748,967.09-1,123,426.03-299,567.28

Finding the Fourth Proportional to 748,967.09, 1,123,426.03 and 299,567.28

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Solution

The fourth proportional to 748,967.09, 1,123,426.03 and 299,567.28 is: 449,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,967.09 : 1,123,426.03 = 299,567.28 : x
  2. Step 2: Convert to fraction form
    748,967.09/1,123,426.03 = 299,567.28/x
  3. Step 3: Cross multiply
    748,967.09x = 1,123,426.03 × 299,567.28
  4. Step 4: Simplify right side
    748,967.09x = 336,541,673,722.25
  5. Step 5: Solve for x
    x = 336,541,673,722.25/748,967.09
  6. Step 6: Final answer
    x = 449,341.07

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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.