Home / 758,874.42-1,047,312.99-419,408.28

Finding the Fourth Proportional to 758,874.42, 1,047,312.99 and 419,408.28

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Solution

The fourth proportional to 758,874.42, 1,047,312.99 and 419,408.28 is: 578,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,874.42 : 1,047,312.99 = 419,408.28 : x
  2. Step 2: Convert to fraction form
    758,874.42/1,047,312.99 = 419,408.28/x
  3. Step 3: Cross multiply
    758,874.42x = 1,047,312.99 × 419,408.28
  4. Step 4: Simplify right side
    758,874.42x = 439,251,739,757.56
  5. Step 5: Solve for x
    x = 439,251,739,757.56/758,874.42
  6. Step 6: Final answer
    x = 578,820.06

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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.