Finding the Fourth Proportional to 708,921.56, 977,758.62 and 454,296.44
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Solution
The fourth proportional to 708,921.56, 977,758.62 and 454,296.44 is: 626,574.62
Step by Step Solution
- Step 1: Write the proportion equation
708,921.56 : 977,758.62 = 454,296.44 : x - Step 2: Convert to fraction form
708,921.56/977,758.62 = 454,296.44/x - Step 3: Cross multiply
708,921.56x = 977,758.62 × 454,296.44 - Step 4: Simplify right side
708,921.56x = 444,192,260,245.31 - Step 5: Solve for x
x = 444,192,260,245.31/708,921.56 - Step 6: Final answer
x = 626,574.62
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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.