Finding the Fourth Proportional to 690,101.05, 1,035,594.12 and 334,921.45
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Solution
The fourth proportional to 690,101.05, 1,035,594.12 and 334,921.45 is: 502,596.95
Step by Step Solution
- Step 1: Write the proportion equation
690,101.05 : 1,035,594.12 = 334,921.45 : x - Step 2: Convert to fraction form
690,101.05/1,035,594.12 = 334,921.45/x - Step 3: Cross multiply
690,101.05x = 1,035,594.12 × 334,921.45 - Step 4: Simplify right side
690,101.05x = 346,842,684,281.87 - Step 5: Solve for x
x = 346,842,684,281.87/690,101.05 - Step 6: Final answer
x = 502,596.95
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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.