Home / 840,443.96-1,159,867.48-477,901.56

Finding the Fourth Proportional to 840,443.96, 1,159,867.48 and 477,901.56

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Solution

The fourth proportional to 840,443.96, 1,159,867.48 and 477,901.56 is: 659,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,443.96 : 1,159,867.48 = 477,901.56 : x
  2. Step 2: Convert to fraction form
    840,443.96/1,159,867.48 = 477,901.56/x
  3. Step 3: Cross multiply
    840,443.96x = 1,159,867.48 × 477,901.56
  4. Step 4: Simplify right side
    840,443.96x = 554,302,478,085.27
  5. Step 5: Solve for x
    x = 554,302,478,085.27/840,443.96
  6. Step 6: Final answer
    x = 659,535.32

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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.