Finding the Fourth Proportional to 756,948.66, 1,134,137.70 and 456,798.54
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Solution
The fourth proportional to 756,948.66, 1,134,137.70 and 456,798.54 is: 684,422.17
Step by Step Solution
- Step 1: Write the proportion equation
756,948.66 : 1,134,137.70 = 456,798.54 : x - Step 2: Convert to fraction form
756,948.66/1,134,137.70 = 456,798.54/x - Step 3: Cross multiply
756,948.66x = 1,134,137.70 × 456,798.54 - Step 4: Simplify right side
756,948.66x = 518,072,445,518.96 - Step 5: Solve for x
x = 518,072,445,518.96/756,948.66 - Step 6: Final answer
x = 684,422.17
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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.