Finding the Fourth Proportional to 518,630.08, 715,705.68 and 292,348.48
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Solution
The fourth proportional to 518,630.08, 715,705.68 and 292,348.48 is: 403,438.74
Step by Step Solution
- Step 1: Write the proportion equation
518,630.08 : 715,705.68 = 292,348.48 : x - Step 2: Convert to fraction form
518,630.08/715,705.68 = 292,348.48/x - Step 3: Cross multiply
518,630.08x = 715,705.68 × 292,348.48 - Step 4: Simplify right side
518,630.08x = 209,235,467,675.37 - Step 5: Solve for x
x = 209,235,467,675.37/518,630.08 - Step 6: Final answer
x = 403,438.74
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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.