Finding the Fourth Proportional to 692,522.08, 1,039,177.74 and 553,166.44
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Solution
The fourth proportional to 692,522.08, 1,039,177.74 and 553,166.44 is: 830,064.87
Step by Step Solution
- Step 1: Write the proportion equation
692,522.08 : 1,039,177.74 = 553,166.44 : x - Step 2: Convert to fraction form
692,522.08/1,039,177.74 = 553,166.44/x - Step 3: Cross multiply
692,522.08x = 1,039,177.74 × 553,166.44 - Step 4: Simplify right side
692,522.08x = 574,838,250,963.05 - Step 5: Solve for x
x = 574,838,250,963.05/692,522.08 - Step 6: Final answer
x = 830,064.87
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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.