Finding the Fourth Proportional to 785,530.14, 1,178,296.14 and 253,130.46
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Solution
The fourth proportional to 785,530.14, 1,178,296.14 and 253,130.46 is: 379,695.99
Step by Step Solution
- Step 1: Write the proportion equation
785,530.14 : 1,178,296.14 = 253,130.46 : x - Step 2: Convert to fraction form
785,530.14/1,178,296.14 = 253,130.46/x - Step 3: Cross multiply
785,530.14x = 1,178,296.14 × 253,130.46 - Step 4: Simplify right side
785,530.14x = 298,262,643,934.42 - Step 5: Solve for x
x = 298,262,643,934.42/785,530.14 - Step 6: Final answer
x = 379,695.99
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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.