Finding the Fourth Proportional to 529,024.40, 793,876.80 and 292,536.80
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Solution
The fourth proportional to 529,024.40, 793,876.80 and 292,536.80 is: 438,993.32
Step by Step Solution
- Step 1: Write the proportion equation
529,024.40 : 793,876.80 = 292,536.80 : x - Step 2: Convert to fraction form
529,024.40/793,876.80 = 292,536.80/x - Step 3: Cross multiply
529,024.40x = 793,876.80 × 292,536.80 - Step 4: Simplify right side
529,024.40x = 232,238,178,666.24 - Step 5: Solve for x
x = 232,238,178,666.24/529,024.40 - Step 6: Final answer
x = 438,993.32
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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.