Home / 724,702.26-1,000,181.40-438,224.40

Finding the Fourth Proportional to 724,702.26, 1,000,181.40 and 438,224.40

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Solution

The fourth proportional to 724,702.26, 1,000,181.40 and 438,224.40 is: 604,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,702.26 : 1,000,181.40 = 438,224.40 : x
  2. Step 2: Convert to fraction form
    724,702.26/1,000,181.40 = 438,224.40/x
  3. Step 3: Cross multiply
    724,702.26x = 1,000,181.40 × 438,224.40
  4. Step 4: Simplify right side
    724,702.26x = 438,303,893,906.16
  5. Step 5: Solve for x
    x = 438,303,893,906.16/724,702.26
  6. Step 6: Final answer
    x = 604,805.47

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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.