Home / 938,615.49-1,407,088.23-339,443.44

Finding the Fourth Proportional to 938,615.49, 1,407,088.23 and 339,443.44

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Solution

The fourth proportional to 938,615.49, 1,407,088.23 and 339,443.44 is: 508,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,615.49 : 1,407,088.23 = 339,443.44 : x
  2. Step 2: Convert to fraction form
    938,615.49/1,407,088.23 = 339,443.44/x
  3. Step 3: Cross multiply
    938,615.49x = 1,407,088.23 × 339,443.44
  4. Step 4: Simplify right side
    938,615.49x = 477,626,860,442.05
  5. Step 5: Solve for x
    x = 477,626,860,442.05/938,615.49
  6. Step 6: Final answer
    x = 508,863.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.