Finding the Fourth Proportional to 1,153,307.40, 1,729,957.02 and 311,859.08
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Solution
The fourth proportional to 1,153,307.40, 1,729,957.02 and 311,859.08 is: 467,787.52
Step by Step Solution
- Step 1: Write the proportion equation
1,153,307.40 : 1,729,957.02 = 311,859.08 : x - Step 2: Convert to fraction form
1,153,307.40/1,729,957.02 = 311,859.08/x - Step 3: Cross multiply
1,153,307.40x = 1,729,957.02 × 311,859.08 - Step 4: Simplify right side
1,153,307.40x = 539,502,804,696.74 - Step 5: Solve for x
x = 539,502,804,696.74/1,153,307.40 - Step 6: Final answer
x = 467,787.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.