Finding the Fourth Proportional to 964,863.99, 1,330,641 and 602,321.40
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Solution
The fourth proportional to 964,863.99, 1,330,641 and 602,321.40 is: 830,659.61
Step by Step Solution
- Step 1: Write the proportion equation
964,863.99 : 1,330,641 = 602,321.40 : x - Step 2: Convert to fraction form
964,863.99/1,330,641 = 602,321.40/x - Step 3: Cross multiply
964,863.99x = 1,330,641 × 602,321.40 - Step 4: Simplify right side
964,863.99x = 801,473,550,017.40 - Step 5: Solve for x
x = 801,473,550,017.40/964,863.99 - Step 6: Final answer
x = 830,659.61
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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.