Home / 768,404.70-1,152,935.10-368,839.80

Finding the Fourth Proportional to 768,404.70, 1,152,935.10 and 368,839.80

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Solution

The fourth proportional to 768,404.70, 1,152,935.10 and 368,839.80 is: 553,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,404.70 : 1,152,935.10 = 368,839.80 : x
  2. Step 2: Convert to fraction form
    768,404.70/1,152,935.10 = 368,839.80/x
  3. Step 3: Cross multiply
    768,404.70x = 1,152,935.10 × 368,839.80
  4. Step 4: Simplify right side
    768,404.70x = 425,248,351,696.98
  5. Step 5: Solve for x
    x = 425,248,351,696.98/768,404.70
  6. Step 6: Final answer
    x = 553,417.17

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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.