Finding the Fourth Proportional to 688,868.52, 1,033,115.40 and 435,769.08
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Solution
The fourth proportional to 688,868.52, 1,033,115.40 and 435,769.08 is: 653,535.09
Step by Step Solution
- Step 1: Write the proportion equation
688,868.52 : 1,033,115.40 = 435,769.08 : x - Step 2: Convert to fraction form
688,868.52/1,033,115.40 = 435,769.08/x - Step 3: Cross multiply
688,868.52x = 1,033,115.40 × 435,769.08 - Step 4: Simplify right side
688,868.52x = 450,199,747,391.83 - Step 5: Solve for x
x = 450,199,747,391.83/688,868.52 - Step 6: Final answer
x = 653,535.09
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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.