Finding the Fourth Proportional to 832,465.35, 1,148,802.12 and 450,492.12
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Solution
The fourth proportional to 832,465.35, 1,148,802.12 and 450,492.12 is: 621,679.09
Step by Step Solution
- Step 1: Write the proportion equation
832,465.35 : 1,148,802.12 = 450,492.12 : x - Step 2: Convert to fraction form
832,465.35/1,148,802.12 = 450,492.12/x - Step 3: Cross multiply
832,465.35x = 1,148,802.12 × 450,492.12 - Step 4: Simplify right side
832,465.35x = 517,526,302,499.29 - Step 5: Solve for x
x = 517,526,302,499.29/832,465.35 - Step 6: Final answer
x = 621,679.09
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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.