Home / 758,306.12-1,136,792.72-309,404.93

Finding the Fourth Proportional to 758,306.12, 1,136,792.72 and 309,404.93

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Solution

The fourth proportional to 758,306.12, 1,136,792.72 and 309,404.93 is: 463,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,306.12 : 1,136,792.72 = 309,404.93 : x
  2. Step 2: Convert to fraction form
    758,306.12/1,136,792.72 = 309,404.93/x
  3. Step 3: Cross multiply
    758,306.12x = 1,136,792.72 × 309,404.93
  4. Step 4: Simplify right side
    758,306.12x = 351,729,267,045.66
  5. Step 5: Solve for x
    x = 351,729,267,045.66/758,306.12
  6. Step 6: Final answer
    x = 463,835.46

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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.