Finding the Fourth Proportional to 692,476.84, 1,038,774.72 and 243,159.08
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Solution
The fourth proportional to 692,476.84, 1,038,774.72 and 243,159.08 is: 364,759.50
Step by Step Solution
- Step 1: Write the proportion equation
692,476.84 : 1,038,774.72 = 243,159.08 : x - Step 2: Convert to fraction form
692,476.84/1,038,774.72 = 243,159.08/x - Step 3: Cross multiply
692,476.84x = 1,038,774.72 × 243,159.08 - Step 4: Simplify right side
692,476.84x = 252,587,505,242.46 - Step 5: Solve for x
x = 252,587,505,242.46/692,476.84 - Step 6: Final answer
x = 364,759.50
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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.