Finding the Fourth Proportional to 555,816.70, 766,944.21 and 314,097.31
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Solution
The fourth proportional to 555,816.70, 766,944.21 and 314,097.31 is: 433,407.48
Step by Step Solution
- Step 1: Write the proportion equation
555,816.70 : 766,944.21 = 314,097.31 : x - Step 2: Convert to fraction form
555,816.70/766,944.21 = 314,097.31/x - Step 3: Cross multiply
555,816.70x = 766,944.21 × 314,097.31 - Step 4: Simplify right side
555,816.70x = 240,895,113,281.08 - Step 5: Solve for x
x = 240,895,113,281.08/555,816.70 - Step 6: Final answer
x = 433,407.48
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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.