Home / 757,457.64-1,044,346.06-485,077.72

Finding the Fourth Proportional to 757,457.64, 1,044,346.06 and 485,077.72

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Solution

The fourth proportional to 757,457.64, 1,044,346.06 and 485,077.72 is: 668,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,457.64 : 1,044,346.06 = 485,077.72 : x
  2. Step 2: Convert to fraction form
    757,457.64/1,044,346.06 = 485,077.72/x
  3. Step 3: Cross multiply
    757,457.64x = 1,044,346.06 × 485,077.72
  4. Step 4: Simplify right side
    757,457.64x = 506,589,005,675.78
  5. Step 5: Solve for x
    x = 506,589,005,675.78/757,457.64
  6. Step 6: Final answer
    x = 668,801.76

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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.