Finding the Fourth Proportional to 776,932.56, 1,072,248.84 and 454,746.96
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Solution
The fourth proportional to 776,932.56, 1,072,248.84 and 454,746.96 is: 627,598.75
Step by Step Solution
- Step 1: Write the proportion equation
776,932.56 : 1,072,248.84 = 454,746.96 : x - Step 2: Convert to fraction form
776,932.56/1,072,248.84 = 454,746.96/x - Step 3: Cross multiply
776,932.56x = 1,072,248.84 × 454,746.96 - Step 4: Simplify right side
776,932.56x = 487,601,900,353.53 - Step 5: Solve for x
x = 487,601,900,353.53/776,932.56 - Step 6: Final answer
x = 627,598.75
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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.