Home / 916,076.86-1,264,193.64-508,205.40

Finding the Fourth Proportional to 916,076.86, 1,264,193.64 and 508,205.40

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Solution

The fourth proportional to 916,076.86, 1,264,193.64 and 508,205.40 is: 701,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,076.86 : 1,264,193.64 = 508,205.40 : x
  2. Step 2: Convert to fraction form
    916,076.86/1,264,193.64 = 508,205.40/x
  3. Step 3: Cross multiply
    916,076.86x = 1,264,193.64 × 508,205.40
  4. Step 4: Simplify right side
    916,076.86x = 642,470,034,493.66
  5. Step 5: Solve for x
    x = 642,470,034,493.66/916,076.86
  6. Step 6: Final answer
    x = 701,327.65

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