Finding the Fourth Proportional to 742,590.52, 1,112,699.23 and 476,130.08
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Solution
The fourth proportional to 742,590.52, 1,112,699.23 and 476,130.08 is: 713,434.34
Step by Step Solution
- Step 1: Write the proportion equation
742,590.52 : 1,112,699.23 = 476,130.08 : x - Step 2: Convert to fraction form
742,590.52/1,112,699.23 = 476,130.08/x - Step 3: Cross multiply
742,590.52x = 1,112,699.23 × 476,130.08 - Step 4: Simplify right side
742,590.52x = 529,789,574,987.26 - Step 5: Solve for x
x = 529,789,574,987.26/742,590.52 - Step 6: Final answer
x = 713,434.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.