Home / 757,578.56-1,045,517.40-435,401.04

Finding the Fourth Proportional to 757,578.56, 1,045,517.40 and 435,401.04

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Solution

The fourth proportional to 757,578.56, 1,045,517.40 and 435,401.04 is: 600,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,578.56 : 1,045,517.40 = 435,401.04 : x
  2. Step 2: Convert to fraction form
    757,578.56/1,045,517.40 = 435,401.04/x
  3. Step 3: Cross multiply
    757,578.56x = 1,045,517.40 × 435,401.04
  4. Step 4: Simplify right side
    757,578.56x = 455,219,363,298.10
  5. Step 5: Solve for x
    x = 455,219,363,298.10/757,578.56
  6. Step 6: Final answer
    x = 600,887.34

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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.