Home / 726,981.86-1,090,395.02-253,676.18

Finding the Fourth Proportional to 726,981.86, 1,090,395.02 and 253,676.18

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Solution

The fourth proportional to 726,981.86, 1,090,395.02 and 253,676.18 is: 380,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,981.86 : 1,090,395.02 = 253,676.18 : x
  2. Step 2: Convert to fraction form
    726,981.86/1,090,395.02 = 253,676.18/x
  3. Step 3: Cross multiply
    726,981.86x = 1,090,395.02 × 253,676.18
  4. Step 4: Simplify right side
    726,981.86x = 276,607,243,364.62
  5. Step 5: Solve for x
    x = 276,607,243,364.62/726,981.86
  6. Step 6: Final answer
    x = 380,487.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.