Finding the Fourth Proportional to 868,320.24, 1,302,925.12 and 413,426.28
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Solution
The fourth proportional to 868,320.24, 1,302,925.12 and 413,426.28 is: 620,351.18
Step by Step Solution
- Step 1: Write the proportion equation
868,320.24 : 1,302,925.12 = 413,426.28 : x - Step 2: Convert to fraction form
868,320.24/1,302,925.12 = 413,426.28/x - Step 3: Cross multiply
868,320.24x = 1,302,925.12 × 413,426.28 - Step 4: Simplify right side
868,320.24x = 538,663,485,480.15 - Step 5: Solve for x
x = 538,663,485,480.15/868,320.24 - Step 6: Final answer
x = 620,351.18
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1.5x scale
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.