Finding the Fourth Proportional to 668,654.52, 996,032.19 and 632,437.08
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Solution
The fourth proportional to 668,654.52, 996,032.19 and 632,437.08 is: 942,082.45
Step by Step Solution
- Step 1: Write the proportion equation
668,654.52 : 996,032.19 = 632,437.08 : x - Step 2: Convert to fraction form
668,654.52/996,032.19 = 632,437.08/x - Step 3: Cross multiply
668,654.52x = 996,032.19 × 632,437.08 - Step 4: Simplify right side
668,654.52x = 629,927,689,829.61 - Step 5: Solve for x
x = 629,927,689,829.61/668,654.52 - Step 6: Final answer
x = 942,082.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.