Finding the Fourth Proportional to 986,750.78, 1,361,720.08 and 534,041.66
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Solution
The fourth proportional to 986,750.78, 1,361,720.08 and 534,041.66 is: 736,979.66
Step by Step Solution
- Step 1: Write the proportion equation
986,750.78 : 1,361,720.08 = 534,041.66 : x - Step 2: Convert to fraction form
986,750.78/1,361,720.08 = 534,041.66/x - Step 3: Cross multiply
986,750.78x = 1,361,720.08 × 534,041.66 - Step 4: Simplify right side
986,750.78x = 727,215,251,978.53 - Step 5: Solve for x
x = 727,215,251,978.53/986,750.78 - Step 6: Final answer
x = 736,979.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.