Home / 771,591.15-1,064,781.83-427,426.02

Finding the Fourth Proportional to 771,591.15, 1,064,781.83 and 427,426.02

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Solution

The fourth proportional to 771,591.15, 1,064,781.83 and 427,426.02 is: 589,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,591.15 : 1,064,781.83 = 427,426.02 : x
  2. Step 2: Convert to fraction form
    771,591.15/1,064,781.83 = 427,426.02/x
  3. Step 3: Cross multiply
    771,591.15x = 1,064,781.83 × 427,426.02
  4. Step 4: Simplify right side
    771,591.15x = 455,115,460,833.78
  5. Step 5: Solve for x
    x = 455,115,460,833.78/771,591.15
  6. Step 6: Final answer
    x = 589,840.18

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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.