Home / 840,551.58-1,159,956.05-477,975.74

Finding the Fourth Proportional to 840,551.58, 1,159,956.05 and 477,975.74

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Solution

The fourth proportional to 840,551.58, 1,159,956.05 and 477,975.74 is: 659,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,551.58 : 1,159,956.05 = 477,975.74 : x
  2. Step 2: Convert to fraction form
    840,551.58/1,159,956.05 = 477,975.74/x
  3. Step 3: Cross multiply
    840,551.58x = 1,159,956.05 × 477,975.74
  4. Step 4: Simplify right side
    840,551.58x = 554,430,843,176.57
  5. Step 5: Solve for x
    x = 554,430,843,176.57/840,551.58
  6. Step 6: Final answer
    x = 659,603.59

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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.