Finding the Fourth Proportional to 832,391.12, 1,148,569.80 and 474,626
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Solution
The fourth proportional to 832,391.12, 1,148,569.80 and 474,626 is: 654,909.79
Step by Step Solution
- Step 1: Write the proportion equation
832,391.12 : 1,148,569.80 = 474,626 : x - Step 2: Convert to fraction form
832,391.12/1,148,569.80 = 474,626/x - Step 3: Cross multiply
832,391.12x = 1,148,569.80 × 474,626 - Step 4: Simplify right side
832,391.12x = 545,141,089,894.80 - Step 5: Solve for x
x = 545,141,089,894.80/832,391.12 - Step 6: Final answer
x = 654,909.79
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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.