Home / 972,005.70-1,457,352.45-516,672.30

Finding the Fourth Proportional to 972,005.70, 1,457,352.45 and 516,672.30

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Solution

The fourth proportional to 972,005.70, 1,457,352.45 and 516,672.30 is: 774,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,005.70 : 1,457,352.45 = 516,672.30 : x
  2. Step 2: Convert to fraction form
    972,005.70/1,457,352.45 = 516,672.30/x
  3. Step 3: Cross multiply
    972,005.70x = 1,457,352.45 × 516,672.30
  4. Step 4: Simplify right side
    972,005.70x = 752,973,642,252.14
  5. Step 5: Solve for x
    x = 752,973,642,252.14/972,005.70
  6. Step 6: Final answer
    x = 774,659.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.