Finding the Fourth Proportional to 708,509.12, 1,062,970.73 and 228,725.66
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Solution
The fourth proportional to 708,509.12, 1,062,970.73 and 228,725.66 is: 343,155.32
Step by Step Solution
- Step 1: Write the proportion equation
708,509.12 : 1,062,970.73 = 228,725.66 : x - Step 2: Convert to fraction form
708,509.12/1,062,970.73 = 228,725.66/x - Step 3: Cross multiply
708,509.12x = 1,062,970.73 × 228,725.66 - Step 4: Simplify right side
708,509.12x = 243,128,675,321.45 - Step 5: Solve for x
x = 243,128,675,321.45/708,509.12 - Step 6: Final answer
x = 343,155.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.