Finding the Fourth Proportional to 615,943.87, 849,918.50 and 343,977.08
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Solution
The fourth proportional to 615,943.87, 849,918.50 and 343,977.08 is: 474,641.44
Step by Step Solution
- Step 1: Write the proportion equation
615,943.87 : 849,918.50 = 343,977.08 : x - Step 2: Convert to fraction form
615,943.87/849,918.50 = 343,977.08/x - Step 3: Cross multiply
615,943.87x = 849,918.50 × 343,977.08 - Step 4: Simplify right side
615,943.87x = 292,352,483,001.77 - Step 5: Solve for x
x = 292,352,483,001.77/615,943.87 - Step 6: Final answer
x = 474,641.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.