Finding the Fourth Proportional to 885,841.16, 1,328,973.39 and 286,802.98
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Solution
The fourth proportional to 885,841.16, 1,328,973.39 and 286,802.98 is: 430,272.99
Step by Step Solution
- Step 1: Write the proportion equation
885,841.16 : 1,328,973.39 = 286,802.98 : x - Step 2: Convert to fraction form
885,841.16/1,328,973.39 = 286,802.98/x - Step 3: Cross multiply
885,841.16x = 1,328,973.39 × 286,802.98 - Step 4: Simplify right side
885,841.16x = 381,153,525,270.27 - Step 5: Solve for x
x = 381,153,525,270.27/885,841.16 - Step 6: Final answer
x = 430,272.99
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1.5x scale
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.