Finding the Fourth Proportional to 690,102.05, 1,035,595.62 and 334,922.45
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Solution
The fourth proportional to 690,102.05, 1,035,595.62 and 334,922.45 is: 502,598.45
Step by Step Solution
- Step 1: Write the proportion equation
690,102.05 : 1,035,595.62 = 334,922.45 : x - Step 2: Convert to fraction form
690,102.05/1,035,595.62 = 334,922.45/x - Step 3: Cross multiply
690,102.05x = 1,035,595.62 × 334,922.45 - Step 4: Simplify right side
690,102.05x = 346,844,222,259.67 - Step 5: Solve for x
x = 346,844,222,259.67/690,102.05 - Step 6: Final answer
x = 502,598.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.