Home / 697,209-1,046,255.91-297,852.78

Finding the Fourth Proportional to 697,209, 1,046,255.91 and 297,852.78

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Solution

The fourth proportional to 697,209, 1,046,255.91 and 297,852.78 is: 446,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,209 : 1,046,255.91 = 297,852.78 : x
  2. Step 2: Convert to fraction form
    697,209/1,046,255.91 = 297,852.78/x
  3. Step 3: Cross multiply
    697,209x = 1,046,255.91 × 297,852.78
  4. Step 4: Simplify right side
    697,209x = 311,630,231,384.93
  5. Step 5: Solve for x
    x = 311,630,231,384.93/697,209
  6. Step 6: Final answer
    x = 446,968.17

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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.