Home / 835,408.15-1,252,911.51-385,697.16

Finding the Fourth Proportional to 835,408.15, 1,252,911.51 and 385,697.16

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Solution

The fourth proportional to 835,408.15, 1,252,911.51 and 385,697.16 is: 578,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,408.15 : 1,252,911.51 = 385,697.16 : x
  2. Step 2: Convert to fraction form
    835,408.15/1,252,911.51 = 385,697.16/x
  3. Step 3: Cross multiply
    835,408.15x = 1,252,911.51 × 385,697.16
  4. Step 4: Simplify right side
    835,408.15x = 483,244,411,138.31
  5. Step 5: Solve for x
    x = 483,244,411,138.31/835,408.15
  6. Step 6: Final answer
    x = 578,453.07

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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.