Finding the Fourth Proportional to 755,749.44, 1,042,068.96 and 564,439.68
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Solution
The fourth proportional to 755,749.44, 1,042,068.96 and 564,439.68 is: 778,280.52
Step by Step Solution
- Step 1: Write the proportion equation
755,749.44 : 1,042,068.96 = 564,439.68 : x - Step 2: Convert to fraction form
755,749.44/1,042,068.96 = 564,439.68/x - Step 3: Cross multiply
755,749.44x = 1,042,068.96 × 564,439.68 - Step 4: Simplify right side
755,749.44x = 588,185,070,320.33 - Step 5: Solve for x
x = 588,185,070,320.33/755,749.44 - Step 6: Final answer
x = 778,280.52
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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.