Home / 830,454.30-1,245,682.26-231,417.18

Finding the Fourth Proportional to 830,454.30, 1,245,682.26 and 231,417.18

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Solution

The fourth proportional to 830,454.30, 1,245,682.26 and 231,417.18 is: 347,126.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,454.30 : 1,245,682.26 = 231,417.18 : x
  2. Step 2: Convert to fraction form
    830,454.30/1,245,682.26 = 231,417.18/x
  3. Step 3: Cross multiply
    830,454.30x = 1,245,682.26 × 231,417.18
  4. Step 4: Simplify right side
    830,454.30x = 288,272,275,785.23
  5. Step 5: Solve for x
    x = 288,272,275,785.23/830,454.30
  6. Step 6: Final answer
    x = 347,126.00

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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.