Home / 889,172.68-1,333,088.25-289,775.92

Finding the Fourth Proportional to 889,172.68, 1,333,088.25 and 289,775.92

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Solution

The fourth proportional to 889,172.68, 1,333,088.25 and 289,775.92 is: 434,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,172.68 : 1,333,088.25 = 289,775.92 : x
  2. Step 2: Convert to fraction form
    889,172.68/1,333,088.25 = 289,775.92/x
  3. Step 3: Cross multiply
    889,172.68x = 1,333,088.25 × 289,775.92
  4. Step 4: Simplify right side
    889,172.68x = 386,296,874,084.94
  5. Step 5: Solve for x
    x = 386,296,874,084.94/889,172.68
  6. Step 6: Final answer
    x = 434,445.28

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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.