Finding the Fourth Proportional to 669,948.68, 924,518.50 and 368,136.20
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Solution
The fourth proportional to 669,948.68, 924,518.50 and 368,136.20 is: 508,022.09
Step by Step Solution
- Step 1: Write the proportion equation
669,948.68 : 924,518.50 = 368,136.20 : x - Step 2: Convert to fraction form
669,948.68/924,518.50 = 368,136.20/x - Step 3: Cross multiply
669,948.68x = 924,518.50 × 368,136.20 - Step 4: Simplify right side
669,948.68x = 340,348,727,419.70 - Step 5: Solve for x
x = 340,348,727,419.70/669,948.68 - Step 6: Final answer
x = 508,022.09
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1.5x scale
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.