Home / 734,678.10-1,013,958.09-408,064.50

Finding the Fourth Proportional to 734,678.10, 1,013,958.09 and 408,064.50

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Solution

The fourth proportional to 734,678.10, 1,013,958.09 and 408,064.50 is: 563,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,678.10 : 1,013,958.09 = 408,064.50 : x
  2. Step 2: Convert to fraction form
    734,678.10/1,013,958.09 = 408,064.50/x
  3. Step 3: Cross multiply
    734,678.10x = 1,013,958.09 × 408,064.50
  4. Step 4: Simplify right side
    734,678.10x = 413,760,301,016.81
  5. Step 5: Solve for x
    x = 413,760,301,016.81/734,678.10
  6. Step 6: Final answer
    x = 563,185.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.