Home / 771,954.12-1,065,337.74-427,827.69

Finding the Fourth Proportional to 771,954.12, 1,065,337.74 and 427,827.69

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Solution

The fourth proportional to 771,954.12, 1,065,337.74 and 427,827.69 is: 590,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,954.12 : 1,065,337.74 = 427,827.69 : x
  2. Step 2: Convert to fraction form
    771,954.12/1,065,337.74 = 427,827.69/x
  3. Step 3: Cross multiply
    771,954.12x = 1,065,337.74 × 427,827.69
  4. Step 4: Simplify right side
    771,954.12x = 455,780,984,374.02
  5. Step 5: Solve for x
    x = 455,780,984,374.02/771,954.12
  6. Step 6: Final answer
    x = 590,424.97

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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.