Finding the Fourth Proportional to 750,246.40, 1,035,330.36 and 427,961.88
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Solution
The fourth proportional to 750,246.40, 1,035,330.36 and 427,961.88 is: 590,581.87
Step by Step Solution
- Step 1: Write the proportion equation
750,246.40 : 1,035,330.36 = 427,961.88 : x - Step 2: Convert to fraction form
750,246.40/1,035,330.36 = 427,961.88/x - Step 3: Cross multiply
750,246.40x = 1,035,330.36 × 427,961.88 - Step 4: Simplify right side
750,246.40x = 443,081,925,681.82 - Step 5: Solve for x
x = 443,081,925,681.82/750,246.40 - Step 6: Final answer
x = 590,581.87
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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.