Finding the Fourth Proportional to 875,345.80, 1,208,325.10 and 752,351.26
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Solution
The fourth proportional to 875,345.80, 1,208,325.10 and 752,351.26 is: 1,038,543.75
Step by Step Solution
- Step 1: Write the proportion equation
875,345.80 : 1,208,325.10 = 752,351.26 : x - Step 2: Convert to fraction form
875,345.80/1,208,325.10 = 752,351.26/x - Step 3: Cross multiply
875,345.80x = 1,208,325.10 × 752,351.26 - Step 4: Simplify right side
875,345.80x = 909,084,911,474.63 - Step 5: Solve for x
x = 909,084,911,474.63/875,345.80 - Step 6: Final answer
x = 1,038,543.75
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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.