Home / 697,911.12-1,046,022.12-318,312.18

Finding the Fourth Proportional to 697,911.12, 1,046,022.12 and 318,312.18

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Solution

The fourth proportional to 697,911.12, 1,046,022.12 and 318,312.18 is: 477,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,911.12 : 1,046,022.12 = 318,312.18 : x
  2. Step 2: Convert to fraction form
    697,911.12/1,046,022.12 = 318,312.18/x
  3. Step 3: Cross multiply
    697,911.12x = 1,046,022.12 × 318,312.18
  4. Step 4: Simplify right side
    697,911.12x = 332,961,581,345.42
  5. Step 5: Solve for x
    x = 332,961,581,345.42/697,911.12
  6. Step 6: Final answer
    x = 477,083.07

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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.