Home / 869,219.10-1,302,079.05-603,279.90

Finding the Fourth Proportional to 869,219.10, 1,302,079.05 and 603,279.90

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Solution

The fourth proportional to 869,219.10, 1,302,079.05 and 603,279.90 is: 903,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,219.10 : 1,302,079.05 = 603,279.90 : x
  2. Step 2: Convert to fraction form
    869,219.10/1,302,079.05 = 603,279.90/x
  3. Step 3: Cross multiply
    869,219.10x = 1,302,079.05 × 603,279.90
  4. Step 4: Simplify right side
    869,219.10x = 785,518,119,076.10
  5. Step 5: Solve for x
    x = 785,518,119,076.10/869,219.10
  6. Step 6: Final answer
    x = 903,705.54

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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.