Home / 876,149.04-1,314,025.36-402,378.96

Finding the Fourth Proportional to 876,149.04, 1,314,025.36 and 402,378.96

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Solution

The fourth proportional to 876,149.04, 1,314,025.36 and 402,378.96 is: 603,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,149.04 : 1,314,025.36 = 402,378.96 : x
  2. Step 2: Convert to fraction form
    876,149.04/1,314,025.36 = 402,378.96/x
  3. Step 3: Cross multiply
    876,149.04x = 1,314,025.36 × 402,378.96
  4. Step 4: Simplify right side
    876,149.04x = 528,736,157,770.43
  5. Step 5: Solve for x
    x = 528,736,157,770.43/876,149.04
  6. Step 6: Final answer
    x = 603,477.41

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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.