Finding the Fourth Proportional to 951,213.08, 1,312,673.68 and 521,484
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Solution
The fourth proportional to 951,213.08, 1,312,673.68 and 521,484 is: 719,647.72
Step by Step Solution
- Step 1: Write the proportion equation
951,213.08 : 1,312,673.68 = 521,484 : x - Step 2: Convert to fraction form
951,213.08/1,312,673.68 = 521,484/x - Step 3: Cross multiply
951,213.08x = 1,312,673.68 × 521,484 - Step 4: Simplify right side
951,213.08x = 684,538,321,341.12 - Step 5: Solve for x
x = 684,538,321,341.12/951,213.08 - Step 6: Final answer
x = 719,647.72
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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.