Finding the Fourth Proportional to 930,553.10, 1,389,526.08 and 738,862.54
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Solution
The fourth proportional to 930,553.10, 1,389,526.08 and 738,862.54 is: 1,103,288.75
Step by Step Solution
- Step 1: Write the proportion equation
930,553.10 : 1,389,526.08 = 738,862.54 : x - Step 2: Convert to fraction form
930,553.10/1,389,526.08 = 738,862.54/x - Step 3: Cross multiply
930,553.10x = 1,389,526.08 × 738,862.54 - Step 4: Simplify right side
930,553.10x = 1,026,668,768,865.04 - Step 5: Solve for x
x = 1,026,668,768,865.04/930,553.10 - Step 6: Final answer
x = 1,103,288.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.