Home / 740,025.68-1,110,036.74-290,432.12

Finding the Fourth Proportional to 740,025.68, 1,110,036.74 and 290,432.12

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Solution

The fourth proportional to 740,025.68, 1,110,036.74 and 290,432.12 is: 435,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,025.68 : 1,110,036.74 = 290,432.12 : x
  2. Step 2: Convert to fraction form
    740,025.68/1,110,036.74 = 290,432.12/x
  3. Step 3: Cross multiply
    740,025.68x = 1,110,036.74 × 290,432.12
  4. Step 4: Simplify right side
    740,025.68x = 322,390,316,673.75
  5. Step 5: Solve for x
    x = 322,390,316,673.75/740,025.68
  6. Step 6: Final answer
    x = 435,647.47

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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.