Home / 869,089.90-1,303,634.85-603,669.10

Finding the Fourth Proportional to 869,089.90, 1,303,634.85 and 603,669.10

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Solution

The fourth proportional to 869,089.90, 1,303,634.85 and 603,669.10 is: 905,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,089.90 : 1,303,634.85 = 603,669.10 : x
  2. Step 2: Convert to fraction form
    869,089.90/1,303,634.85 = 603,669.10/x
  3. Step 3: Cross multiply
    869,089.90x = 1,303,634.85 × 603,669.10
  4. Step 4: Simplify right side
    869,089.90x = 786,964,076,628.14
  5. Step 5: Solve for x
    x = 786,964,076,628.14/869,089.90
  6. Step 6: Final answer
    x = 905,503.65

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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.