Home / 860,924.03-1,290,529.13-411,119.06

Finding the Fourth Proportional to 860,924.03, 1,290,529.13 and 411,119.06

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Solution

The fourth proportional to 860,924.03, 1,290,529.13 and 411,119.06 is: 616,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,924.03 : 1,290,529.13 = 411,119.06 : x
  2. Step 2: Convert to fraction form
    860,924.03/1,290,529.13 = 411,119.06/x
  3. Step 3: Cross multiply
    860,924.03x = 1,290,529.13 × 411,119.06
  4. Step 4: Simplify right side
    860,924.03x = 530,561,114,319.98
  5. Step 5: Solve for x
    x = 530,561,114,319.98/860,924.03
  6. Step 6: Final answer
    x = 616,269.38

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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.