Home / 558,312.10-837,468.15-345,735.70

Finding the Fourth Proportional to 558,312.10, 837,468.15 and 345,735.70

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Solution

The fourth proportional to 558,312.10, 837,468.15 and 345,735.70 is: 518,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,312.10 : 837,468.15 = 345,735.70 : x
  2. Step 2: Convert to fraction form
    558,312.10/837,468.15 = 345,735.70/x
  3. Step 3: Cross multiply
    558,312.10x = 837,468.15 × 345,735.70
  4. Step 4: Simplify right side
    558,312.10x = 289,542,637,067.96
  5. Step 5: Solve for x
    x = 289,542,637,067.96/558,312.10
  6. Step 6: Final answer
    x = 518,603.55

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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.