Finding the Fourth Proportional to 627,264.18, 939,977.64 and 311,089.68
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Solution
The fourth proportional to 627,264.18, 939,977.64 and 311,089.68 is: 466,178.93
Step by Step Solution
- Step 1: Write the proportion equation
627,264.18 : 939,977.64 = 311,089.68 : x - Step 2: Convert to fraction form
627,264.18/939,977.64 = 311,089.68/x - Step 3: Cross multiply
627,264.18x = 939,977.64 × 311,089.68 - Step 4: Simplify right side
627,264.18x = 292,417,343,234.76 - Step 5: Solve for x
x = 292,417,343,234.76/627,264.18 - Step 6: Final answer
x = 466,178.93
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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.