Home / 757,757.56-1,045,705.43-516,461.66

Finding the Fourth Proportional to 757,757.56, 1,045,705.43 and 516,461.66

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Solution

The fourth proportional to 757,757.56, 1,045,705.43 and 516,461.66 is: 712,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,757.56 : 1,045,705.43 = 516,461.66 : x
  2. Step 2: Convert to fraction form
    757,757.56/1,045,705.43 = 516,461.66/x
  3. Step 3: Cross multiply
    757,757.56x = 1,045,705.43 × 516,461.66
  4. Step 4: Simplify right side
    757,757.56x = 540,066,762,248.81
  5. Step 5: Solve for x
    x = 540,066,762,248.81/757,757.56
  6. Step 6: Final answer
    x = 712,717.09

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1.5x scale

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.