Home / 827,800.76-1,142,459.77-460,314.59

Finding the Fourth Proportional to 827,800.76, 1,142,459.77 and 460,314.59

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Solution

The fourth proportional to 827,800.76, 1,142,459.77 and 460,314.59 is: 635,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,800.76 : 1,142,459.77 = 460,314.59 : x
  2. Step 2: Convert to fraction form
    827,800.76/1,142,459.77 = 460,314.59/x
  3. Step 3: Cross multiply
    827,800.76x = 1,142,459.77 × 460,314.59
  4. Step 4: Simplify right side
    827,800.76x = 525,890,893,755.96
  5. Step 5: Solve for x
    x = 525,890,893,755.96/827,800.76
  6. Step 6: Final answer
    x = 635,286.80

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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.