Home / 830,240.15-1,245,393.02-231,253.65

Finding the Fourth Proportional to 830,240.15, 1,245,393.02 and 231,253.65

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Solution

The fourth proportional to 830,240.15, 1,245,393.02 and 231,253.65 is: 346,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,240.15 : 1,245,393.02 = 231,253.65 : x
  2. Step 2: Convert to fraction form
    830,240.15/1,245,393.02 = 231,253.65/x
  3. Step 3: Cross multiply
    830,240.15x = 1,245,393.02 × 231,253.65
  4. Step 4: Simplify right side
    830,240.15x = 288,001,680,403.26
  5. Step 5: Solve for x
    x = 288,001,680,403.26/830,240.15
  6. Step 6: Final answer
    x = 346,889.61

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Double scale
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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.