Home / 972,962.57-1,459,443.86-289,859.81

Finding the Fourth Proportional to 972,962.57, 1,459,443.86 and 289,859.81

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Solution

The fourth proportional to 972,962.57, 1,459,443.86 and 289,859.81 is: 434,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,962.57 : 1,459,443.86 = 289,859.81 : x
  2. Step 2: Convert to fraction form
    972,962.57/1,459,443.86 = 289,859.81/x
  3. Step 3: Cross multiply
    972,962.57x = 1,459,443.86 × 289,859.81
  4. Step 4: Simplify right side
    972,962.57x = 423,034,111,218.75
  5. Step 5: Solve for x
    x = 423,034,111,218.75/972,962.57
  6. Step 6: Final answer
    x = 434,789.71

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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.