Finding the Fourth Proportional to 971,531.30, 1,457,296.95 and 869,179.70
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Solution
The fourth proportional to 971,531.30, 1,457,296.95 and 869,179.70 is: 1,303,769.55
Step by Step Solution
- Step 1: Write the proportion equation
971,531.30 : 1,457,296.95 = 869,179.70 : x - Step 2: Convert to fraction form
971,531.30/1,457,296.95 = 869,179.70/x - Step 3: Cross multiply
971,531.30x = 1,457,296.95 × 869,179.70 - Step 4: Simplify right side
971,531.30x = 1,266,652,925,811.91 - Step 5: Solve for x
x = 1,266,652,925,811.91/971,531.30 - Step 6: Final answer
x = 1,303,769.55
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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.