Finding the Fourth Proportional to 632,979.70, 873,521.60 and 346,526.44
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Solution
The fourth proportional to 632,979.70, 873,521.60 and 346,526.44 is: 478,211.75
Step by Step Solution
- Step 1: Write the proportion equation
632,979.70 : 873,521.60 = 346,526.44 : x - Step 2: Convert to fraction form
632,979.70/873,521.60 = 346,526.44/x - Step 3: Cross multiply
632,979.70x = 873,521.60 × 346,526.44 - Step 4: Simplify right side
632,979.70x = 302,698,330,311.10 - Step 5: Solve for x
x = 302,698,330,311.10/632,979.70 - Step 6: Final answer
x = 478,211.75
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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.