Finding the Fourth Proportional to 723,959.68, 999,045.28 and 397,271.68
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Solution
The fourth proportional to 723,959.68, 999,045.28 and 397,271.68 is: 548,224.45
Step by Step Solution
- Step 1: Write the proportion equation
723,959.68 : 999,045.28 = 397,271.68 : x - Step 2: Convert to fraction form
723,959.68/999,045.28 = 397,271.68/x - Step 3: Cross multiply
723,959.68x = 999,045.28 × 397,271.68 - Step 4: Simplify right side
723,959.68x = 396,892,396,781.67 - Step 5: Solve for x
x = 396,892,396,781.67/723,959.68 - Step 6: Final answer
x = 548,224.45
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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.