Finding the Fourth Proportional to 935,895.18, 1,291,547.76 and 527,995.64
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Solution
The fourth proportional to 935,895.18, 1,291,547.76 and 527,995.64 is: 728,640.99
Step by Step Solution
- Step 1: Write the proportion equation
935,895.18 : 1,291,547.76 = 527,995.64 : x - Step 2: Convert to fraction form
935,895.18/1,291,547.76 = 527,995.64/x - Step 3: Cross multiply
935,895.18x = 1,291,547.76 × 527,995.64 - Step 4: Simplify right side
935,895.18x = 681,931,586,131.77 - Step 5: Solve for x
x = 681,931,586,131.77/935,895.18 - Step 6: Final answer
x = 728,640.99
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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.