Finding the Fourth Proportional to 841,283.18, 1,160,964.78 and 459,309.95
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Solution
The fourth proportional to 841,283.18, 1,160,964.78 and 459,309.95 is: 633,844.45
Step by Step Solution
- Step 1: Write the proportion equation
841,283.18 : 1,160,964.78 = 459,309.95 : x - Step 2: Convert to fraction form
841,283.18/1,160,964.78 = 459,309.95/x - Step 3: Cross multiply
841,283.18x = 1,160,964.78 × 459,309.95 - Step 4: Simplify right side
841,283.18x = 533,242,675,053.56 - Step 5: Solve for x
x = 533,242,675,053.56/841,283.18 - Step 6: Final answer
x = 633,844.45
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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.