Home / 938,043.48-1,407,045.78-228,075.24

Finding the Fourth Proportional to 938,043.48, 1,407,045.78 and 228,075.24

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Solution

The fourth proportional to 938,043.48, 1,407,045.78 and 228,075.24 is: 342,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,043.48 : 1,407,045.78 = 228,075.24 : x
  2. Step 2: Convert to fraction form
    938,043.48/1,407,045.78 = 228,075.24/x
  3. Step 3: Cross multiply
    938,043.48x = 1,407,045.78 × 228,075.24
  4. Step 4: Simplify right side
    938,043.48x = 320,912,303,964.49
  5. Step 5: Solve for x
    x = 320,912,303,964.49/938,043.48
  6. Step 6: Final answer
    x = 342,108.13

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Double scale
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Similar ratio
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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.