Home / 972,043.74-1,457,897.58-439,441.02

Finding the Fourth Proportional to 972,043.74, 1,457,897.58 and 439,441.02

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Solution

The fourth proportional to 972,043.74, 1,457,897.58 and 439,441.02 is: 659,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,043.74 : 1,457,897.58 = 439,441.02 : x
  2. Step 2: Convert to fraction form
    972,043.74/1,457,897.58 = 439,441.02/x
  3. Step 3: Cross multiply
    972,043.74x = 1,457,897.58 × 439,441.02
  4. Step 4: Simplify right side
    972,043.74x = 640,659,999,610.73
  5. Step 5: Solve for x
    x = 640,659,999,610.73/972,043.74
  6. Step 6: Final answer
    x = 659,085.57

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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.