Home / 875,741.85-1,208,474.51-493,745.85

Finding the Fourth Proportional to 875,741.85, 1,208,474.51 and 493,745.85

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Solution

The fourth proportional to 875,741.85, 1,208,474.51 and 493,745.85 is: 681,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,741.85 : 1,208,474.51 = 493,745.85 : x
  2. Step 2: Convert to fraction form
    875,741.85/1,208,474.51 = 493,745.85/x
  3. Step 3: Cross multiply
    875,741.85x = 1,208,474.51 × 493,745.85
  4. Step 4: Simplify right side
    875,741.85x = 596,679,271,674.55
  5. Step 5: Solve for x
    x = 596,679,271,674.55/875,741.85
  6. Step 6: Final answer
    x = 681,341.51

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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.