Home / 898,393.72-1,347,784.34-258,693.16

Finding the Fourth Proportional to 898,393.72, 1,347,784.34 and 258,693.16

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Solution

The fourth proportional to 898,393.72, 1,347,784.34 and 258,693.16 is: 388,095.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,393.72 : 1,347,784.34 = 258,693.16 : x
  2. Step 2: Convert to fraction form
    898,393.72/1,347,784.34 = 258,693.16/x
  3. Step 3: Cross multiply
    898,393.72x = 1,347,784.34 × 258,693.16
  4. Step 4: Simplify right side
    898,393.72x = 348,662,589,913.11
  5. Step 5: Solve for x
    x = 348,662,589,913.11/898,393.72
  6. Step 6: Final answer
    x = 388,095.53

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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.