Home / 788,576.70-1,181,115.45-315,018.30

Finding the Fourth Proportional to 788,576.70, 1,181,115.45 and 315,018.30

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Solution

The fourth proportional to 788,576.70, 1,181,115.45 and 315,018.30 is: 471,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,576.70 : 1,181,115.45 = 315,018.30 : x
  2. Step 2: Convert to fraction form
    788,576.70/1,181,115.45 = 315,018.30/x
  3. Step 3: Cross multiply
    788,576.70x = 1,181,115.45 × 315,018.30
  4. Step 4: Simplify right side
    788,576.70x = 372,072,981,162.74
  5. Step 5: Solve for x
    x = 372,072,981,162.74/788,576.70
  6. Step 6: Final answer
    x = 471,828.52

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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.