Finding the Fourth Proportional to 875,377.98, 1,208,030.79 and 493,404.75
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Solution
The fourth proportional to 875,377.98, 1,208,030.79 and 493,404.75 is: 680,903.73
Step by Step Solution
- Step 1: Write the proportion equation
875,377.98 : 1,208,030.79 = 493,404.75 : x - Step 2: Convert to fraction form
875,377.98/1,208,030.79 = 493,404.75/x - Step 3: Cross multiply
875,377.98x = 1,208,030.79 × 493,404.75 - Step 4: Simplify right side
875,377.98x = 596,048,129,932.25 - Step 5: Solve for x
x = 596,048,129,932.25/875,377.98 - Step 6: Final answer
x = 680,903.73
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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.