Finding the Fourth Proportional to 585,621.68, 808,158.84 and 317,349.68
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Solution
The fourth proportional to 585,621.68, 808,158.84 and 317,349.68 is: 437,943.06
Step by Step Solution
- Step 1: Write the proportion equation
585,621.68 : 808,158.84 = 317,349.68 : x - Step 2: Convert to fraction form
585,621.68/808,158.84 = 317,349.68/x - Step 3: Cross multiply
585,621.68x = 808,158.84 × 317,349.68 - Step 4: Simplify right side
585,621.68x = 256,468,949,263.17 - Step 5: Solve for x
x = 256,468,949,263.17/585,621.68 - Step 6: Final answer
x = 437,943.06
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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.