Finding the Fourth Proportional to 674,479.04, 1,009,905.60 and 513,789.49
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Solution
The fourth proportional to 674,479.04, 1,009,905.60 and 513,789.49 is: 769,303.19
Step by Step Solution
- Step 1: Write the proportion equation
674,479.04 : 1,009,905.60 = 513,789.49 : x - Step 2: Convert to fraction form
674,479.04/1,009,905.60 = 513,789.49/x - Step 3: Cross multiply
674,479.04x = 1,009,905.60 × 513,789.49 - Step 4: Simplify right side
674,479.04x = 518,878,878,122.62 - Step 5: Solve for x
x = 518,878,878,122.62/674,479.04 - Step 6: Final answer
x = 769,303.19
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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.