Home / 528,331.03-729,096.82-301,981.39

Finding the Fourth Proportional to 528,331.03, 729,096.82 and 301,981.39

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Solution

The fourth proportional to 528,331.03, 729,096.82 and 301,981.39 is: 416,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,331.03 : 729,096.82 = 301,981.39 : x
  2. Step 2: Convert to fraction form
    528,331.03/729,096.82 = 301,981.39/x
  3. Step 3: Cross multiply
    528,331.03x = 729,096.82 × 301,981.39
  4. Step 4: Simplify right side
    528,331.03x = 220,173,669,702.92
  5. Step 5: Solve for x
    x = 220,173,669,702.92/528,331.03
  6. Step 6: Final answer
    x = 416,734.32

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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.