Finding the Fourth Proportional to 684,298.80, 1,026,666.90 and 235,307.70
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Solution
The fourth proportional to 684,298.80, 1,026,666.90 and 235,307.70 is: 353,036.75
Step by Step Solution
- Step 1: Write the proportion equation
684,298.80 : 1,026,666.90 = 235,307.70 : x - Step 2: Convert to fraction form
684,298.80/1,026,666.90 = 235,307.70/x - Step 3: Cross multiply
684,298.80x = 1,026,666.90 × 235,307.70 - Step 4: Simplify right side
684,298.80x = 241,582,626,905.13 - Step 5: Solve for x
x = 241,582,626,905.13/684,298.80 - Step 6: Final answer
x = 353,036.75
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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.