Finding the Fourth Proportional to 584,220.12, 806,226.18 and 315,948.12
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Solution
The fourth proportional to 584,220.12, 806,226.18 and 315,948.12 is: 436,009.71
Step by Step Solution
- Step 1: Write the proportion equation
584,220.12 : 806,226.18 = 315,948.12 : x - Step 2: Convert to fraction form
584,220.12/806,226.18 = 315,948.12/x - Step 3: Cross multiply
584,220.12x = 806,226.18 × 315,948.12 - Step 4: Simplify right side
584,220.12x = 254,725,645,865.78 - Step 5: Solve for x
x = 254,725,645,865.78/584,220.12 - Step 6: Final answer
x = 436,009.71
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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.