Home / 739,691.82-1,109,569.38-290,510.08

Finding the Fourth Proportional to 739,691.82, 1,109,569.38 and 290,510.08

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Solution

The fourth proportional to 739,691.82, 1,109,569.38 and 290,510.08 is: 435,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,691.82 : 1,109,569.38 = 290,510.08 : x
  2. Step 2: Convert to fraction form
    739,691.82/1,109,569.38 = 290,510.08/x
  3. Step 3: Cross multiply
    739,691.82x = 1,109,569.38 × 290,510.08
  4. Step 4: Simplify right side
    739,691.82x = 322,341,089,349.35
  5. Step 5: Solve for x
    x = 322,341,089,349.35/739,691.82
  6. Step 6: Final answer
    x = 435,777.55

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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.