Home / 783,143.79-1,174,862.70-250,521.81

Finding the Fourth Proportional to 783,143.79, 1,174,862.70 and 250,521.81

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Solution

The fourth proportional to 783,143.79, 1,174,862.70 and 250,521.81 is: 375,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,143.79 : 1,174,862.70 = 250,521.81 : x
  2. Step 2: Convert to fraction form
    783,143.79/1,174,862.70 = 250,521.81/x
  3. Step 3: Cross multiply
    783,143.79x = 1,174,862.70 × 250,521.81
  4. Step 4: Simplify right side
    783,143.79x = 294,328,730,105.49
  5. Step 5: Solve for x
    x = 294,328,730,105.49/783,143.79
  6. Step 6: Final answer
    x = 375,829.74

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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.