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Finding the Fourth Proportional to 713,559.32, 985,228.47 and 459,353.37

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Solution

The fourth proportional to 713,559.32, 985,228.47 and 459,353.37 is: 634,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,559.32 : 985,228.47 = 459,353.37 : x
  2. Step 2: Convert to fraction form
    713,559.32/985,228.47 = 459,353.37/x
  3. Step 3: Cross multiply
    713,559.32x = 985,228.47 × 459,353.37
  4. Step 4: Simplify right side
    713,559.32x = 452,568,017,914.44
  5. Step 5: Solve for x
    x = 452,568,017,914.44/713,559.32
  6. Step 6: Final answer
    x = 634,240.22

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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.