Home / 897,093.80-1,345,665.40-289,908.08

Finding the Fourth Proportional to 897,093.80, 1,345,665.40 and 289,908.08

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Solution

The fourth proportional to 897,093.80, 1,345,665.40 and 289,908.08 is: 434,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,093.80 : 1,345,665.40 = 289,908.08 : x
  2. Step 2: Convert to fraction form
    897,093.80/1,345,665.40 = 289,908.08/x
  3. Step 3: Cross multiply
    897,093.80x = 1,345,665.40 × 289,908.08
  4. Step 4: Simplify right side
    897,093.80x = 390,119,272,436.43
  5. Step 5: Solve for x
    x = 390,119,272,436.43/897,093.80
  6. Step 6: Final answer
    x = 434,870.10

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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.