Finding the Fourth Proportional to 921,537.57, 1,271,567.79 and 513,550.02
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Solution
The fourth proportional to 921,537.57, 1,271,567.79 and 513,550.02 is: 708,613.18
Step by Step Solution
- Step 1: Write the proportion equation
921,537.57 : 1,271,567.79 = 513,550.02 : x - Step 2: Convert to fraction form
921,537.57/1,271,567.79 = 513,550.02/x - Step 3: Cross multiply
921,537.57x = 1,271,567.79 × 513,550.02 - Step 4: Simplify right side
921,537.57x = 653,013,663,985.86 - Step 5: Solve for x
x = 653,013,663,985.86/921,537.57 - Step 6: Final answer
x = 708,613.18
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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.