Home / 724,713.26-1,000,196.58-438,235.40

Finding the Fourth Proportional to 724,713.26, 1,000,196.58 and 438,235.40

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Solution

The fourth proportional to 724,713.26, 1,000,196.58 and 438,235.40 is: 604,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,713.26 : 1,000,196.58 = 438,235.40 : x
  2. Step 2: Convert to fraction form
    724,713.26/1,000,196.58 = 438,235.40/x
  3. Step 3: Cross multiply
    724,713.26x = 1,000,196.58 × 438,235.40
  4. Step 4: Simplify right side
    724,713.26x = 438,321,548,314.93
  5. Step 5: Solve for x
    x = 438,321,548,314.93/724,713.26
  6. Step 6: Final answer
    x = 604,820.65

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Double scale
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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.