Home / 748,757.02-1,033,284.72-409,225.28

Finding the Fourth Proportional to 748,757.02, 1,033,284.72 and 409,225.28

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Solution

The fourth proportional to 748,757.02, 1,033,284.72 and 409,225.28 is: 564,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,757.02 : 1,033,284.72 = 409,225.28 : x
  2. Step 2: Convert to fraction form
    748,757.02/1,033,284.72 = 409,225.28/x
  3. Step 3: Cross multiply
    748,757.02x = 1,033,284.72 × 409,225.28
  4. Step 4: Simplify right side
    748,757.02x = 422,846,228,861.72
  5. Step 5: Solve for x
    x = 422,846,228,861.72/748,757.02
  6. Step 6: Final answer
    x = 564,730.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.