Finding the Fourth Proportional to 808,670.16, 1,115,946.99 and 446,094.32
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Solution
The fourth proportional to 808,670.16, 1,115,946.99 and 446,094.32 is: 615,600.32
Step by Step Solution
- Step 1: Write the proportion equation
808,670.16 : 1,115,946.99 = 446,094.32 : x - Step 2: Convert to fraction form
808,670.16/1,115,946.99 = 446,094.32/x - Step 3: Cross multiply
808,670.16x = 1,115,946.99 × 446,094.32 - Step 4: Simplify right side
808,670.16x = 497,817,608,080.36 - Step 5: Solve for x
x = 497,817,608,080.36/808,670.16 - Step 6: Final answer
x = 615,600.32
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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.