Finding the Fourth Proportional to 926,454.20, 1,387,607.70 and 760,566.20
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Solution
The fourth proportional to 926,454.20, 1,387,607.70 and 760,566.20 is: 1,139,146.99
Step by Step Solution
- Step 1: Write the proportion equation
926,454.20 : 1,387,607.70 = 760,566.20 : x - Step 2: Convert to fraction form
926,454.20/1,387,607.70 = 760,566.20/x - Step 3: Cross multiply
926,454.20x = 1,387,607.70 × 760,566.20 - Step 4: Simplify right side
926,454.20x = 1,055,367,515,479.74 - Step 5: Solve for x
x = 1,055,367,515,479.74/926,454.20 - Step 6: Final answer
x = 1,139,146.99
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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.