Home / 659,702.85-909,827.33-507,110.73

Finding the Fourth Proportional to 659,702.85, 909,827.33 and 507,110.73

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Solution

The fourth proportional to 659,702.85, 909,827.33 and 507,110.73 is: 699,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,702.85 : 909,827.33 = 507,110.73 : x
  2. Step 2: Convert to fraction form
    659,702.85/909,827.33 = 507,110.73/x
  3. Step 3: Cross multiply
    659,702.85x = 909,827.33 × 507,110.73
  4. Step 4: Simplify right side
    659,702.85x = 461,383,201,490.25
  5. Step 5: Solve for x
    x = 461,383,201,490.25/659,702.85
  6. Step 6: Final answer
    x = 699,380.34

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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.