Finding the Fourth Proportional to 692,029.23, 955,028.10 and 386,132.32
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Solution
The fourth proportional to 692,029.23, 955,028.10 and 386,132.32 is: 532,878.09
Step by Step Solution
- Step 1: Write the proportion equation
692,029.23 : 955,028.10 = 386,132.32 : x - Step 2: Convert to fraction form
692,029.23/955,028.10 = 386,132.32/x - Step 3: Cross multiply
692,029.23x = 955,028.10 × 386,132.32 - Step 4: Simplify right side
692,029.23x = 368,767,215,918.19 - Step 5: Solve for x
x = 368,767,215,918.19/692,029.23 - Step 6: Final answer
x = 532,878.09
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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.