Finding the Fourth Proportional to 632,921.86, 873,433.11 and 346,460.08
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Solution
The fourth proportional to 632,921.86, 873,433.11 and 346,460.08 is: 478,115.43
Step by Step Solution
- Step 1: Write the proportion equation
632,921.86 : 873,433.11 = 346,460.08 : x - Step 2: Convert to fraction form
632,921.86/873,433.11 = 346,460.08/x - Step 3: Cross multiply
632,921.86x = 873,433.11 × 346,460.08 - Step 4: Simplify right side
632,921.86x = 302,609,705,165.25 - Step 5: Solve for x
x = 302,609,705,165.25/632,921.86 - Step 6: Final answer
x = 478,115.43
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1.5x scale
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.