Home / 898,389.59-1,347,778.13-258,689.01

Finding the Fourth Proportional to 898,389.59, 1,347,778.13 and 258,689.01

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Solution

The fourth proportional to 898,389.59, 1,347,778.13 and 258,689.01 is: 388,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,389.59 : 1,347,778.13 = 258,689.01 : x
  2. Step 2: Convert to fraction form
    898,389.59/1,347,778.13 = 258,689.01/x
  3. Step 3: Cross multiply
    898,389.59x = 1,347,778.13 × 258,689.01
  4. Step 4: Simplify right side
    898,389.59x = 348,655,395,850.24
  5. Step 5: Solve for x
    x = 348,655,395,850.24/898,389.59
  6. Step 6: Final answer
    x = 388,089.31

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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.