Home / 741,289.86-1,022,970.87-401,750.82

Finding the Fourth Proportional to 741,289.86, 1,022,970.87 and 401,750.82

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Solution

The fourth proportional to 741,289.86, 1,022,970.87 and 401,750.82 is: 554,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,289.86 : 1,022,970.87 = 401,750.82 : x
  2. Step 2: Convert to fraction form
    741,289.86/1,022,970.87 = 401,750.82/x
  3. Step 3: Cross multiply
    741,289.86x = 1,022,970.87 × 401,750.82
  4. Step 4: Simplify right side
    741,289.86x = 410,979,385,858.61
  5. Step 5: Solve for x
    x = 410,979,385,858.61/741,289.86
  6. Step 6: Final answer
    x = 554,411.18

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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.