Finding the Fourth Proportional to 887,135.30, 1,330,897.35 and 438,071.30
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Solution
The fourth proportional to 887,135.30, 1,330,897.35 and 438,071.30 is: 657,202.95
Step by Step Solution
- Step 1: Write the proportion equation
887,135.30 : 1,330,897.35 = 438,071.30 : x - Step 2: Convert to fraction form
887,135.30/1,330,897.35 = 438,071.30/x - Step 3: Cross multiply
887,135.30x = 1,330,897.35 × 438,071.30 - Step 4: Simplify right side
887,135.30x = 583,027,932,281.06 - Step 5: Solve for x
x = 583,027,932,281.06/887,135.30 - Step 6: Final answer
x = 657,202.95
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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.