Home / 869,220.10-1,302,080.55-603,280.90

Finding the Fourth Proportional to 869,220.10, 1,302,080.55 and 603,280.90

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Solution

The fourth proportional to 869,220.10, 1,302,080.55 and 603,280.90 is: 903,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,220.10 : 1,302,080.55 = 603,280.90 : x
  2. Step 2: Convert to fraction form
    869,220.10/1,302,080.55 = 603,280.90/x
  3. Step 3: Cross multiply
    869,220.10x = 1,302,080.55 × 603,280.90
  4. Step 4: Simplify right side
    869,220.10x = 785,520,326,076.50
  5. Step 5: Solve for x
    x = 785,520,326,076.50/869,220.10
  6. Step 6: Final answer
    x = 903,707.04

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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.