Finding the Fourth Proportional to 506,918.84, 699,703.80 and 292,202.42
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Solution
The fourth proportional to 506,918.84, 699,703.80 and 292,202.42 is: 403,329.15
Step by Step Solution
- Step 1: Write the proportion equation
506,918.84 : 699,703.80 = 292,202.42 : x - Step 2: Convert to fraction form
506,918.84/699,703.80 = 292,202.42/x - Step 3: Cross multiply
506,918.84x = 699,703.80 × 292,202.42 - Step 4: Simplify right side
506,918.84x = 204,455,143,643.20 - Step 5: Solve for x
x = 204,455,143,643.20/506,918.84 - Step 6: Final answer
x = 403,329.15
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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.