Finding the Fourth Proportional to 640,531.26, 883,360.52 and 531,462.84
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Solution
The fourth proportional to 640,531.26, 883,360.52 and 531,462.84 is: 732,943.60
Step by Step Solution
- Step 1: Write the proportion equation
640,531.26 : 883,360.52 = 531,462.84 : x - Step 2: Convert to fraction form
640,531.26/883,360.52 = 531,462.84/x - Step 3: Cross multiply
640,531.26x = 883,360.52 × 531,462.84 - Step 4: Simplify right side
640,531.26x = 469,473,286,726.15 - Step 5: Solve for x
x = 469,473,286,726.15/640,531.26 - Step 6: Final answer
x = 732,943.60
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1.5x scale
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.