Finding the Fourth Proportional to 776,014.56, 1,070,889.12 and 436,482
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Solution
The fourth proportional to 776,014.56, 1,070,889.12 and 436,482 is: 602,338.99
Step by Step Solution
- Step 1: Write the proportion equation
776,014.56 : 1,070,889.12 = 436,482 : x - Step 2: Convert to fraction form
776,014.56/1,070,889.12 = 436,482/x - Step 3: Cross multiply
776,014.56x = 1,070,889.12 × 436,482 - Step 4: Simplify right side
776,014.56x = 467,423,824,875.84 - Step 5: Solve for x
x = 467,423,824,875.84/776,014.56 - Step 6: Final answer
x = 602,338.99
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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.