Home / 829,970.55-1,145,372.00-507,611.61

Finding the Fourth Proportional to 829,970.55, 1,145,372.00 and 507,611.61

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Solution

The fourth proportional to 829,970.55, 1,145,372.00 and 507,611.61 is: 700,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,970.55 : 1,145,372.00 = 507,611.61 : x
  2. Step 2: Convert to fraction form
    829,970.55/1,145,372.00 = 507,611.61/x
  3. Step 3: Cross multiply
    829,970.55x = 1,145,372.00 × 507,611.61
  4. Step 4: Simplify right side
    829,970.55x = 581,404,122,430.86
  5. Step 5: Solve for x
    x = 581,404,122,430.86/829,970.55
  6. Step 6: Final answer
    x = 700,511.75

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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.