Finding the Fourth Proportional to 964,900.08, 1,330,690.68 and 602,357.58
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Solution
The fourth proportional to 964,900.08, 1,330,690.68 and 602,357.58 is: 830,709.45
Step by Step Solution
- Step 1: Write the proportion equation
964,900.08 : 1,330,690.68 = 602,357.58 : x - Step 2: Convert to fraction form
964,900.08/1,330,690.68 = 602,357.58/x - Step 3: Cross multiply
964,900.08x = 1,330,690.68 × 602,357.58 - Step 4: Simplify right side
964,900.08x = 801,551,617,733.35 - Step 5: Solve for x
x = 801,551,617,733.35/964,900.08 - Step 6: Final answer
x = 830,709.45
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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.