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Finding the Fourth Proportional to 889,053, 1,333,696.68 and 289,804.20

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Solution

The fourth proportional to 889,053, 1,333,696.68 and 289,804.20 is: 434,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,053 : 1,333,696.68 = 289,804.20 : x
  2. Step 2: Convert to fraction form
    889,053/1,333,696.68 = 289,804.20/x
  3. Step 3: Cross multiply
    889,053x = 1,333,696.68 × 289,804.20
  4. Step 4: Simplify right side
    889,053x = 386,510,899,390.06
  5. Step 5: Solve for x
    x = 386,510,899,390.06/889,053
  6. Step 6: Final answer
    x = 434,744.50

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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.