Home / 889,319.21-1,333,980.63-416,336.72

Finding the Fourth Proportional to 889,319.21, 1,333,980.63 and 416,336.72

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Solution

The fourth proportional to 889,319.21, 1,333,980.63 and 416,336.72 is: 624,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,319.21 : 1,333,980.63 = 416,336.72 : x
  2. Step 2: Convert to fraction form
    889,319.21/1,333,980.63 = 416,336.72/x
  3. Step 3: Cross multiply
    889,319.21x = 1,333,980.63 × 416,336.72
  4. Step 4: Simplify right side
    889,319.21x = 555,385,113,367.83
  5. Step 5: Solve for x
    x = 555,385,113,367.83/889,319.21
  6. Step 6: Final answer
    x = 624,505.93

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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.