Home / 847,312.24-1,270,978.63-248,285.54

Finding the Fourth Proportional to 847,312.24, 1,270,978.63 and 248,285.54

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Solution

The fourth proportional to 847,312.24, 1,270,978.63 and 248,285.54 is: 372,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,312.24 : 1,270,978.63 = 248,285.54 : x
  2. Step 2: Convert to fraction form
    847,312.24/1,270,978.63 = 248,285.54/x
  3. Step 3: Cross multiply
    847,312.24x = 1,270,978.63 × 248,285.54
  4. Step 4: Simplify right side
    847,312.24x = 315,565,618,034.74
  5. Step 5: Solve for x
    x = 315,565,618,034.74/847,312.24
  6. Step 6: Final answer
    x = 372,431.32

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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.