Home / 500,219.24-688,846.95-434,778.73

Finding the Fourth Proportional to 500,219.24, 688,846.95 and 434,778.73

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Solution

The fourth proportional to 500,219.24, 688,846.95 and 434,778.73 is: 598,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,219.24 : 688,846.95 = 434,778.73 : x
  2. Step 2: Convert to fraction form
    500,219.24/688,846.95 = 434,778.73/x
  3. Step 3: Cross multiply
    500,219.24x = 688,846.95 × 434,778.73
  4. Step 4: Simplify right side
    500,219.24x = 299,496,000,363.26
  5. Step 5: Solve for x
    x = 299,496,000,363.26/500,219.24
  6. Step 6: Final answer
    x = 598,729.48

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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.