Home / 958,782.95-1,438,815.94-397,817.45

Finding the Fourth Proportional to 958,782.95, 1,438,815.94 and 397,817.45

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Solution

The fourth proportional to 958,782.95, 1,438,815.94 and 397,817.45 is: 596,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,782.95 : 1,438,815.94 = 397,817.45 : x
  2. Step 2: Convert to fraction form
    958,782.95/1,438,815.94 = 397,817.45/x
  3. Step 3: Cross multiply
    958,782.95x = 1,438,815.94 × 397,817.45
  4. Step 4: Simplify right side
    958,782.95x = 572,386,081,076.07
  5. Step 5: Solve for x
    x = 572,386,081,076.07/958,782.95
  6. Step 6: Final answer
    x = 596,992.35

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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.