Home / 771,616.29-1,064,818.86-427,451.15

Finding the Fourth Proportional to 771,616.29, 1,064,818.86 and 427,451.15

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Solution

The fourth proportional to 771,616.29, 1,064,818.86 and 427,451.15 is: 589,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,616.29 : 1,064,818.86 = 427,451.15 : x
  2. Step 2: Convert to fraction form
    771,616.29/1,064,818.86 = 427,451.15/x
  3. Step 3: Cross multiply
    771,616.29x = 1,064,818.86 × 427,451.15
  4. Step 4: Simplify right side
    771,616.29x = 455,158,040,924.60
  5. Step 5: Solve for x
    x = 455,158,040,924.60/771,616.29
  6. Step 6: Final answer
    x = 589,876.14

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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.