Finding the Fourth Proportional to 976,866.24, 1,348,088.88 and 637,139.52
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Solution
The fourth proportional to 976,866.24, 1,348,088.88 and 637,139.52 is: 879,261.32
Step by Step Solution
- Step 1: Write the proportion equation
976,866.24 : 1,348,088.88 = 637,139.52 : x - Step 2: Convert to fraction form
976,866.24/1,348,088.88 = 637,139.52/x - Step 3: Cross multiply
976,866.24x = 1,348,088.88 × 637,139.52 - Step 4: Simplify right side
976,866.24x = 858,920,701,920.54 - Step 5: Solve for x
x = 858,920,701,920.54/976,866.24 - Step 6: Final answer
x = 879,261.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.