Home / 697,210-1,046,257.41-297,853.78

Finding the Fourth Proportional to 697,210, 1,046,257.41 and 297,853.78

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Solution

The fourth proportional to 697,210, 1,046,257.41 and 297,853.78 is: 446,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,210 : 1,046,257.41 = 297,853.78 : x
  2. Step 2: Convert to fraction form
    697,210/1,046,257.41 = 297,853.78/x
  3. Step 3: Cross multiply
    697,210x = 1,046,257.41 × 297,853.78
  4. Step 4: Simplify right side
    697,210x = 311,631,724,421.51
  5. Step 5: Solve for x
    x = 311,631,724,421.51/697,210
  6. Step 6: Final answer
    x = 446,969.67

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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.