Home / 913,600.81-1,369,497.25-432,983.89

Finding the Fourth Proportional to 913,600.81, 1,369,497.25 and 432,983.89

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Solution

The fourth proportional to 913,600.81, 1,369,497.25 and 432,983.89 is: 649,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,600.81 : 1,369,497.25 = 432,983.89 : x
  2. Step 2: Convert to fraction form
    913,600.81/1,369,497.25 = 432,983.89/x
  3. Step 3: Cross multiply
    913,600.81x = 1,369,497.25 × 432,983.89
  4. Step 4: Simplify right side
    913,600.81x = 592,970,246,649.30
  5. Step 5: Solve for x
    x = 592,970,246,649.30/913,600.81
  6. Step 6: Final answer
    x = 649,047.42

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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.