Home / 753,237.42-1,039,464.09-409,070.94

Finding the Fourth Proportional to 753,237.42, 1,039,464.09 and 409,070.94

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Solution

The fourth proportional to 753,237.42, 1,039,464.09 and 409,070.94 is: 564,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,237.42 : 1,039,464.09 = 409,070.94 : x
  2. Step 2: Convert to fraction form
    753,237.42/1,039,464.09 = 409,070.94/x
  3. Step 3: Cross multiply
    753,237.42x = 1,039,464.09 × 409,070.94
  4. Step 4: Simplify right side
    753,237.42x = 425,214,552,392.55
  5. Step 5: Solve for x
    x = 425,214,552,392.55/753,237.42
  6. Step 6: Final answer
    x = 564,515.97

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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.