Finding the Fourth Proportional to 585,479.68, 807,961.80 and 317,207.68
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Solution
The fourth proportional to 585,479.68, 807,961.80 and 317,207.68 is: 437,746.51
Step by Step Solution
- Step 1: Write the proportion equation
585,479.68 : 807,961.80 = 317,207.68 : x - Step 2: Convert to fraction form
585,479.68/807,961.80 = 317,207.68/x - Step 3: Cross multiply
585,479.68x = 807,961.80 × 317,207.68 - Step 4: Simplify right side
585,479.68x = 256,291,688,106.62 - Step 5: Solve for x
x = 256,291,688,106.62/585,479.68 - Step 6: Final answer
x = 437,746.51
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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.