Home / 785,157.43-1,177,736.52-252,678.40

Finding the Fourth Proportional to 785,157.43, 1,177,736.52 and 252,678.40

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Solution

The fourth proportional to 785,157.43, 1,177,736.52 and 252,678.40 is: 379,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,157.43 : 1,177,736.52 = 252,678.40 : x
  2. Step 2: Convert to fraction form
    785,157.43/1,177,736.52 = 252,678.40/x
  3. Step 3: Cross multiply
    785,157.43x = 1,177,736.52 × 252,678.40
  4. Step 4: Simplify right side
    785,157.43x = 297,588,579,495.17
  5. Step 5: Solve for x
    x = 297,588,579,495.17/785,157.43
  6. Step 6: Final answer
    x = 379,017.72

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1.5x scale

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.