Home / 852,209.84-1,175,628.30-557,685.20

Finding the Fourth Proportional to 852,209.84, 1,175,628.30 and 557,685.20

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Solution

The fourth proportional to 852,209.84, 1,175,628.30 and 557,685.20 is: 769,329.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,209.84 : 1,175,628.30 = 557,685.20 : x
  2. Step 2: Convert to fraction form
    852,209.84/1,175,628.30 = 557,685.20/x
  3. Step 3: Cross multiply
    852,209.84x = 1,175,628.30 × 557,685.20
  4. Step 4: Simplify right side
    852,209.84x = 655,630,504,458.91
  5. Step 5: Solve for x
    x = 655,630,504,458.91/852,209.84
  6. Step 6: Final answer
    x = 769,329.89

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1.5x scale

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.