Home / 616,600.09-851,045.40-374,831.50

Finding the Fourth Proportional to 616,600.09, 851,045.40 and 374,831.50

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Solution

The fourth proportional to 616,600.09, 851,045.40 and 374,831.50 is: 517,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,600.09 : 851,045.40 = 374,831.50 : x
  2. Step 2: Convert to fraction form
    616,600.09/851,045.40 = 374,831.50/x
  3. Step 3: Cross multiply
    616,600.09x = 851,045.40 × 374,831.50
  4. Step 4: Simplify right side
    616,600.09x = 318,998,623,850.10
  5. Step 5: Solve for x
    x = 318,998,623,850.10/616,600.09
  6. Step 6: Final answer
    x = 517,350.92

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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.