Home / 890,384.48-1,329,129.54-782,647.74

Finding the Fourth Proportional to 890,384.48, 1,329,129.54 and 782,647.74

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Solution

The fourth proportional to 890,384.48, 1,329,129.54 and 782,647.74 is: 1,168,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,384.48 : 1,329,129.54 = 782,647.74 : x
  2. Step 2: Convert to fraction form
    890,384.48/1,329,129.54 = 782,647.74/x
  3. Step 3: Cross multiply
    890,384.48x = 1,329,129.54 × 782,647.74
  4. Step 4: Simplify right side
    890,384.48x = 1,040,240,229,277.27
  5. Step 5: Solve for x
    x = 1,040,240,229,277.27/890,384.48
  6. Step 6: Final answer
    x = 1,168,304.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.