Finding the Fourth Proportional to 692,001.08, 954,961.62 and 390,195.08
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Solution
The fourth proportional to 692,001.08, 954,961.62 and 390,195.08 is: 538,469.28
Step by Step Solution
- Step 1: Write the proportion equation
692,001.08 : 954,961.62 = 390,195.08 : x - Step 2: Convert to fraction form
692,001.08/954,961.62 = 390,195.08/x - Step 3: Cross multiply
692,001.08x = 954,961.62 × 390,195.08 - Step 4: Simplify right side
692,001.08x = 372,621,325,712.83 - Step 5: Solve for x
x = 372,621,325,712.83/692,001.08 - Step 6: Final answer
x = 538,469.28
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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.