Finding the Fourth Proportional to 932,809.97, 1,287,178.49 and 524,904.71
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Solution
The fourth proportional to 932,809.97, 1,287,178.49 and 524,904.71 is: 724,312.63
Step by Step Solution
- Step 1: Write the proportion equation
932,809.97 : 1,287,178.49 = 524,904.71 : x - Step 2: Convert to fraction form
932,809.97/1,287,178.49 = 524,904.71/x - Step 3: Cross multiply
932,809.97x = 1,287,178.49 × 524,904.71 - Step 4: Simplify right side
932,809.97x = 675,646,046,888.06 - Step 5: Solve for x
x = 675,646,046,888.06/932,809.97 - Step 6: Final answer
x = 724,312.63
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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.