Home / 697,718.84-1,045,176.97-318,117.40

Finding the Fourth Proportional to 697,718.84, 1,045,176.97 and 318,117.40

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Solution

The fourth proportional to 697,718.84, 1,045,176.97 and 318,117.40 is: 476,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,718.84 : 1,045,176.97 = 318,117.40 : x
  2. Step 2: Convert to fraction form
    697,718.84/1,045,176.97 = 318,117.40/x
  3. Step 3: Cross multiply
    697,718.84x = 1,045,176.97 × 318,117.40
  4. Step 4: Simplify right side
    697,718.84x = 332,488,976,032.75
  5. Step 5: Solve for x
    x = 332,488,976,032.75/697,718.84
  6. Step 6: Final answer
    x = 476,537.19

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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.