Finding the Fourth Proportional to 584,659.74, 806,829.99 and 316,387.74
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Solution
The fourth proportional to 584,659.74, 806,829.99 and 316,387.74 is: 436,614.84
Step by Step Solution
- Step 1: Write the proportion equation
584,659.74 : 806,829.99 = 316,387.74 : x - Step 2: Convert to fraction form
584,659.74/806,829.99 = 316,387.74/x - Step 3: Cross multiply
584,659.74x = 806,829.99 × 316,387.74 - Step 4: Simplify right side
584,659.74x = 255,271,117,100.32 - Step 5: Solve for x
x = 255,271,117,100.32/584,659.74 - Step 6: Final answer
x = 436,614.84
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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.