Home / 912,937.60-1,259,890.98-505,032.41

Finding the Fourth Proportional to 912,937.60, 1,259,890.98 and 505,032.41

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Solution

The fourth proportional to 912,937.60, 1,259,890.98 and 505,032.41 is: 696,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,937.60 : 1,259,890.98 = 505,032.41 : x
  2. Step 2: Convert to fraction form
    912,937.60/1,259,890.98 = 505,032.41/x
  3. Step 3: Cross multiply
    912,937.60x = 1,259,890.98 × 505,032.41
  4. Step 4: Simplify right side
    912,937.60x = 636,285,781,116.39
  5. Step 5: Solve for x
    x = 636,285,781,116.39/912,937.60
  6. Step 6: Final answer
    x = 696,965.25

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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.