Home / 869,222.80-1,303,834.20-603,502.30

Finding the Fourth Proportional to 869,222.80, 1,303,834.20 and 603,502.30

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Solution

The fourth proportional to 869,222.80, 1,303,834.20 and 603,502.30 is: 905,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,222.80 : 1,303,834.20 = 603,502.30 : x
  2. Step 2: Convert to fraction form
    869,222.80/1,303,834.20 = 603,502.30/x
  3. Step 3: Cross multiply
    869,222.80x = 1,303,834.20 × 603,502.30
  4. Step 4: Simplify right side
    869,222.80x = 786,866,938,518.66
  5. Step 5: Solve for x
    x = 786,866,938,518.66/869,222.80
  6. Step 6: Final answer
    x = 905,253.45

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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.