Finding the Fourth Proportional to 759,656.71, 1,048,308.37 and 420,117.67
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Solution
The fourth proportional to 759,656.71, 1,048,308.37 and 420,117.67 is: 579,752.49
Step by Step Solution
- Step 1: Write the proportion equation
759,656.71 : 1,048,308.37 = 420,117.67 : x - Step 2: Convert to fraction form
759,656.71/1,048,308.37 = 420,117.67/x - Step 3: Cross multiply
759,656.71x = 1,048,308.37 × 420,117.67 - Step 4: Simplify right side
759,656.71x = 440,412,869,845.90 - Step 5: Solve for x
x = 440,412,869,845.90/759,656.71 - Step 6: Final answer
x = 579,752.49
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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.