Home / 739,151.04-1,109,349.70-290,187.20

Finding the Fourth Proportional to 739,151.04, 1,109,349.70 and 290,187.20

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Solution

The fourth proportional to 739,151.04, 1,109,349.70 and 290,187.20 is: 435,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,151.04 : 1,109,349.70 = 290,187.20 : x
  2. Step 2: Convert to fraction form
    739,151.04/1,109,349.70 = 290,187.20/x
  3. Step 3: Cross multiply
    739,151.04x = 1,109,349.70 × 290,187.20
  4. Step 4: Simplify right side
    739,151.04x = 321,919,083,263.84
  5. Step 5: Solve for x
    x = 321,919,083,263.84/739,151.04
  6. Step 6: Final answer
    x = 435,525.44

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Double scale
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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.