Finding the Fourth Proportional to 829,513.12, 1,242,276.48 and 473,447.68
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Solution
The fourth proportional to 829,513.12, 1,242,276.48 and 473,447.68 is: 709,033.89
Step by Step Solution
- Step 1: Write the proportion equation
829,513.12 : 1,242,276.48 = 473,447.68 : x - Step 2: Convert to fraction form
829,513.12/1,242,276.48 = 473,447.68/x - Step 3: Cross multiply
829,513.12x = 1,242,276.48 × 473,447.68 - Step 4: Simplify right side
829,513.12x = 588,152,917,374.57 - Step 5: Solve for x
x = 588,152,917,374.57/829,513.12 - Step 6: Final answer
x = 709,033.89
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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.