Finding the Fourth Proportional to 623,801.70, 935,702.55 and 606,305.70
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Solution
The fourth proportional to 623,801.70, 935,702.55 and 606,305.70 is: 909,458.55
Step by Step Solution
- Step 1: Write the proportion equation
623,801.70 : 935,702.55 = 606,305.70 : x - Step 2: Convert to fraction form
623,801.70/935,702.55 = 606,305.70/x - Step 3: Cross multiply
623,801.70x = 935,702.55 × 606,305.70 - Step 4: Simplify right side
623,801.70x = 567,321,789,569.54 - Step 5: Solve for x
x = 567,321,789,569.54/623,801.70 - Step 6: Final answer
x = 909,458.55
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Similar ratio
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1.5x scale
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.