Home / 734,904.86-1,101,928.28-285,100.16

Finding the Fourth Proportional to 734,904.86, 1,101,928.28 and 285,100.16

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Solution

The fourth proportional to 734,904.86, 1,101,928.28 and 285,100.16 is: 427,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,904.86 : 1,101,928.28 = 285,100.16 : x
  2. Step 2: Convert to fraction form
    734,904.86/1,101,928.28 = 285,100.16/x
  3. Step 3: Cross multiply
    734,904.86x = 1,101,928.28 × 285,100.16
  4. Step 4: Simplify right side
    734,904.86x = 314,159,922,001.38
  5. Step 5: Solve for x
    x = 314,159,922,001.38/734,904.86
  6. Step 6: Final answer
    x = 427,483.80

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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.