Finding the Fourth Proportional to 689,319.66, 1,033,470.99 and 496,885.53
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Solution
The fourth proportional to 689,319.66, 1,033,470.99 and 496,885.53 is: 744,961.75
Step by Step Solution
- Step 1: Write the proportion equation
689,319.66 : 1,033,470.99 = 496,885.53 : x - Step 2: Convert to fraction form
689,319.66/1,033,470.99 = 496,885.53/x - Step 3: Cross multiply
689,319.66x = 1,033,470.99 × 496,885.53 - Step 4: Simplify right side
689,319.66x = 513,516,780,605.78 - Step 5: Solve for x
x = 513,516,780,605.78/689,319.66 - Step 6: Final answer
x = 744,961.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.