Home / 889,143.53-1,333,044.60-289,746.77

Finding the Fourth Proportional to 889,143.53, 1,333,044.60 and 289,746.77

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Solution

The fourth proportional to 889,143.53, 1,333,044.60 and 289,746.77 is: 434,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,143.53 : 1,333,044.60 = 289,746.77 : x
  2. Step 2: Convert to fraction form
    889,143.53/1,333,044.60 = 289,746.77/x
  3. Step 3: Cross multiply
    889,143.53x = 1,333,044.60 × 289,746.77
  4. Step 4: Simplify right side
    889,143.53x = 386,245,360,450.72
  5. Step 5: Solve for x
    x = 386,245,360,450.72/889,143.53
  6. Step 6: Final answer
    x = 434,401.59

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1.5x scale

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.