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Finding the Fourth Proportional to 574,499.93, 860,943.28 and 454,027.21

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Solution

The fourth proportional to 574,499.93, 860,943.28 and 454,027.21 is: 680,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,499.93 : 860,943.28 = 454,027.21 : x
  2. Step 2: Convert to fraction form
    574,499.93/860,943.28 = 454,027.21/x
  3. Step 3: Cross multiply
    574,499.93x = 860,943.28 × 454,027.21
  4. Step 4: Simplify right side
    574,499.93x = 390,891,675,386.65
  5. Step 5: Solve for x
    x = 390,891,675,386.65/574,499.93
  6. Step 6: Final answer
    x = 680,403.35

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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.