Home / 771,755.28-1,064,436.78-676,095.96

Finding the Fourth Proportional to 771,755.28, 1,064,436.78 and 676,095.96

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Solution

The fourth proportional to 771,755.28, 1,064,436.78 and 676,095.96 is: 932,499.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,755.28 : 1,064,436.78 = 676,095.96 : x
  2. Step 2: Convert to fraction form
    771,755.28/1,064,436.78 = 676,095.96/x
  3. Step 3: Cross multiply
    771,755.28x = 1,064,436.78 × 676,095.96
  4. Step 4: Simplify right side
    771,755.28x = 719,661,406,633.41
  5. Step 5: Solve for x
    x = 719,661,406,633.41/771,755.28
  6. Step 6: Final answer
    x = 932,499.49

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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.