Finding the Fourth Proportional to 950,875.49, 1,312,148.67 and 521,125.13
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Solution
The fourth proportional to 950,875.49, 1,312,148.67 and 521,125.13 is: 719,120.07
Step by Step Solution
- Step 1: Write the proportion equation
950,875.49 : 1,312,148.67 = 521,125.13 : x - Step 2: Convert to fraction form
950,875.49/1,312,148.67 = 521,125.13/x - Step 3: Cross multiply
950,875.49x = 1,312,148.67 × 521,125.13 - Step 4: Simplify right side
950,875.49x = 683,793,646,233.08 - Step 5: Solve for x
x = 683,793,646,233.08/950,875.49 - Step 6: Final answer
x = 719,120.07
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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.