Finding the Fourth Proportional to 521,487.71, 719,593.53 and 292,013.09
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Solution
The fourth proportional to 521,487.71, 719,593.53 and 292,013.09 is: 402,944.74
Step by Step Solution
- Step 1: Write the proportion equation
521,487.71 : 719,593.53 = 292,013.09 : x - Step 2: Convert to fraction form
521,487.71/719,593.53 = 292,013.09/x - Step 3: Cross multiply
521,487.71x = 719,593.53 × 292,013.09 - Step 4: Simplify right side
521,487.71x = 210,130,726,641.34 - Step 5: Solve for x
x = 210,130,726,641.34/521,487.71 - Step 6: Final answer
x = 402,944.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.