Home / 903,930.58-1,247,420.77-496,039.24

Finding the Fourth Proportional to 903,930.58, 1,247,420.77 and 496,039.24

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Solution

The fourth proportional to 903,930.58, 1,247,420.77 and 496,039.24 is: 684,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,930.58 : 1,247,420.77 = 496,039.24 : x
  2. Step 2: Convert to fraction form
    903,930.58/1,247,420.77 = 496,039.24/x
  3. Step 3: Cross multiply
    903,930.58x = 1,247,420.77 × 496,039.24
  4. Step 4: Simplify right side
    903,930.58x = 618,769,650,711.02
  5. Step 5: Solve for x
    x = 618,769,650,711.02/903,930.58
  6. Step 6: Final answer
    x = 684,532.27

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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.