Finding the Fourth Proportional to 688,252.35, 949,909.95 and 514,693.38
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Solution
The fourth proportional to 688,252.35, 949,909.95 and 514,693.38 is: 710,367.88
Step by Step Solution
- Step 1: Write the proportion equation
688,252.35 : 949,909.95 = 514,693.38 : x - Step 2: Convert to fraction form
688,252.35/949,909.95 = 514,693.38/x - Step 3: Cross multiply
688,252.35x = 949,909.95 × 514,693.38 - Step 4: Simplify right side
688,252.35x = 488,912,362,861.13 - Step 5: Solve for x
x = 488,912,362,861.13/688,252.35 - Step 6: Final answer
x = 710,367.88
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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.