Home / 858,668.03-1,288,592.59-297,702.53

Finding the Fourth Proportional to 858,668.03, 1,288,592.59 and 297,702.53

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Solution

The fourth proportional to 858,668.03, 1,288,592.59 and 297,702.53 is: 446,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,668.03 : 1,288,592.59 = 297,702.53 : x
  2. Step 2: Convert to fraction form
    858,668.03/1,288,592.59 = 297,702.53/x
  3. Step 3: Cross multiply
    858,668.03x = 1,288,592.59 × 297,702.53
  4. Step 4: Simplify right side
    858,668.03x = 383,617,270,154.71
  5. Step 5: Solve for x
    x = 383,617,270,154.71/858,668.03
  6. Step 6: Final answer
    x = 446,758.54

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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.