Home / 972,866.70-1,459,304.91-439,763.58

Finding the Fourth Proportional to 972,866.70, 1,459,304.91 and 439,763.58

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Solution

The fourth proportional to 972,866.70, 1,459,304.91 and 439,763.58 is: 659,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,866.70 : 1,459,304.91 = 439,763.58 : x
  2. Step 2: Convert to fraction form
    972,866.70/1,459,304.91 = 439,763.58/x
  3. Step 3: Cross multiply
    972,866.70x = 1,459,304.91 × 439,763.58
  4. Step 4: Simplify right side
    972,866.70x = 641,749,151,533.18
  5. Step 5: Solve for x
    x = 641,749,151,533.18/972,866.70
  6. Step 6: Final answer
    x = 659,647.57

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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.