Finding the Fourth Proportional to 584,787.40, 877,526.70 and 426,617.80
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Solution
The fourth proportional to 584,787.40, 877,526.70 and 426,617.80 is: 640,178.82
Step by Step Solution
- Step 1: Write the proportion equation
584,787.40 : 877,526.70 = 426,617.80 : x - Step 2: Convert to fraction form
584,787.40/877,526.70 = 426,617.80/x - Step 3: Cross multiply
584,787.40x = 877,526.70 × 426,617.80 - Step 4: Simplify right side
584,787.40x = 374,368,510,195.26 - Step 5: Solve for x
x = 374,368,510,195.26/584,787.40 - Step 6: Final answer
x = 640,178.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.