Home / 830,821.13-1,246,454.85-262,224.22

Finding the Fourth Proportional to 830,821.13, 1,246,454.85 and 262,224.22

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Solution

The fourth proportional to 830,821.13, 1,246,454.85 and 262,224.22 is: 393,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,821.13 : 1,246,454.85 = 262,224.22 : x
  2. Step 2: Convert to fraction form
    830,821.13/1,246,454.85 = 262,224.22/x
  3. Step 3: Cross multiply
    830,821.13x = 1,246,454.85 × 262,224.22
  4. Step 4: Simplify right side
    830,821.13x = 326,850,644,574.19
  5. Step 5: Solve for x
    x = 326,850,644,574.19/830,821.13
  6. Step 6: Final answer
    x = 393,406.75

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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.