Home / 739,970.07-1,109,505.65-290,152.05

Finding the Fourth Proportional to 739,970.07, 1,109,505.65 and 290,152.05

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Solution

The fourth proportional to 739,970.07, 1,109,505.65 and 290,152.05 is: 435,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,970.07 : 1,109,505.65 = 290,152.05 : x
  2. Step 2: Convert to fraction form
    739,970.07/1,109,505.65 = 290,152.05/x
  3. Step 3: Cross multiply
    739,970.07x = 1,109,505.65 × 290,152.05
  4. Step 4: Simplify right side
    739,970.07x = 321,925,337,383.32
  5. Step 5: Solve for x
    x = 321,925,337,383.32/739,970.07
  6. Step 6: Final answer
    x = 435,051.84

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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.