Finding the Fourth Proportional to 742,567.80, 1,024,744.56 and 403,036.08
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Solution
The fourth proportional to 742,567.80, 1,024,744.56 and 403,036.08 is: 556,190.33
Step by Step Solution
- Step 1: Write the proportion equation
742,567.80 : 1,024,744.56 = 403,036.08 : x - Step 2: Convert to fraction form
742,567.80/1,024,744.56 = 403,036.08/x - Step 3: Cross multiply
742,567.80x = 1,024,744.56 × 403,036.08 - Step 4: Simplify right side
742,567.80x = 413,009,030,463.73 - Step 5: Solve for x
x = 413,009,030,463.73/742,567.80 - Step 6: Final answer
x = 556,190.33
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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.