Finding the Fourth Proportional to 921,259.71, 1,271,612.12 and 581,953.95
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Solution
The fourth proportional to 921,259.71, 1,271,612.12 and 581,953.95 is: 803,269.36
Step by Step Solution
- Step 1: Write the proportion equation
921,259.71 : 1,271,612.12 = 581,953.95 : x - Step 2: Convert to fraction form
921,259.71/1,271,612.12 = 581,953.95/x - Step 3: Cross multiply
921,259.71x = 1,271,612.12 × 581,953.95 - Step 4: Simplify right side
921,259.71x = 740,019,693,192.10 - Step 5: Solve for x
x = 740,019,693,192.10/921,259.71 - Step 6: Final answer
x = 803,269.36
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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.