Home / 964,577.18-1,331,111.12-534,920.78

Finding the Fourth Proportional to 964,577.18, 1,331,111.12 and 534,920.78

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Solution

The fourth proportional to 964,577.18, 1,331,111.12 and 534,920.78 is: 738,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,577.18 : 1,331,111.12 = 534,920.78 : x
  2. Step 2: Convert to fraction form
    964,577.18/1,331,111.12 = 534,920.78/x
  3. Step 3: Cross multiply
    964,577.18x = 1,331,111.12 × 534,920.78
  4. Step 4: Simplify right side
    964,577.18x = 712,038,998,577.07
  5. Step 5: Solve for x
    x = 712,038,998,577.07/964,577.18
  6. Step 6: Final answer
    x = 738,187.69

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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.