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Finding the Fourth Proportional to 713,944.44, 985,170.33 and 427,457.16

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Solution

The fourth proportional to 713,944.44, 985,170.33 and 427,457.16 is: 589,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,944.44 : 985,170.33 = 427,457.16 : x
  2. Step 2: Convert to fraction form
    713,944.44/985,170.33 = 427,457.16/x
  3. Step 3: Cross multiply
    713,944.44x = 985,170.33 × 427,457.16
  4. Step 4: Simplify right side
    713,944.44x = 421,118,111,378.06
  5. Step 5: Solve for x
    x = 421,118,111,378.06/713,944.44
  6. Step 6: Final answer
    x = 589,847.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.