Finding the Fourth Proportional to 798,248.88, 1,101,606.12 and 435,695.76
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Solution
The fourth proportional to 798,248.88, 1,101,606.12 and 435,695.76 is: 601,272.52
Step by Step Solution
- Step 1: Write the proportion equation
798,248.88 : 1,101,606.12 = 435,695.76 : x - Step 2: Convert to fraction form
798,248.88/1,101,606.12 = 435,695.76/x - Step 3: Cross multiply
798,248.88x = 1,101,606.12 × 435,695.76 - Step 4: Simplify right side
798,248.88x = 479,965,115,674.05 - Step 5: Solve for x
x = 479,965,115,674.05/798,248.88 - Step 6: Final answer
x = 601,272.52
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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.