Finding the Fourth Proportional to 947,032.16, 1,306,854.40 and 517,306.08
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Solution
The fourth proportional to 947,032.16, 1,306,854.40 and 517,306.08 is: 713,855.09
Step by Step Solution
- Step 1: Write the proportion equation
947,032.16 : 1,306,854.40 = 517,306.08 : x - Step 2: Convert to fraction form
947,032.16/1,306,854.40 = 517,306.08/x - Step 3: Cross multiply
947,032.16x = 1,306,854.40 × 517,306.08 - Step 4: Simplify right side
947,032.16x = 676,043,726,794.75 - Step 5: Solve for x
x = 676,043,726,794.75/947,032.16 - Step 6: Final answer
x = 713,855.09
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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.