Finding the Fourth Proportional to 669,929.60, 924,492.36 and 368,117.12
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Solution
The fourth proportional to 669,929.60, 924,492.36 and 368,117.12 is: 507,995.86
Step by Step Solution
- Step 1: Write the proportion equation
669,929.60 : 924,492.36 = 368,117.12 : x - Step 2: Convert to fraction form
669,929.60/924,492.36 = 368,117.12/x - Step 3: Cross multiply
669,929.60x = 924,492.36 × 368,117.12 - Step 4: Simplify right side
669,929.60x = 340,321,465,025.20 - Step 5: Solve for x
x = 340,321,465,025.20/669,929.60 - Step 6: Final answer
x = 507,995.86
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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.