Home / 800,730.23-1,104,974.73-478,617.93

Finding the Fourth Proportional to 800,730.23, 1,104,974.73 and 478,617.93

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Solution

The fourth proportional to 800,730.23, 1,104,974.73 and 478,617.93 is: 660,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,730.23 : 1,104,974.73 = 478,617.93 : x
  2. Step 2: Convert to fraction form
    800,730.23/1,104,974.73 = 478,617.93/x
  3. Step 3: Cross multiply
    800,730.23x = 1,104,974.73 × 478,617.93
  4. Step 4: Simplify right side
    800,730.23x = 528,860,717,974.91
  5. Step 5: Solve for x
    x = 528,860,717,974.91/800,730.23
  6. Step 6: Final answer
    x = 660,473.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.