Finding the Fourth Proportional to 669,829.08, 924,362.64 and 383,354.76
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Solution
The fourth proportional to 669,829.08, 924,362.64 and 383,354.76 is: 529,028.72
Step by Step Solution
- Step 1: Write the proportion equation
669,829.08 : 924,362.64 = 383,354.76 : x - Step 2: Convert to fraction form
669,829.08/924,362.64 = 383,354.76/x - Step 3: Cross multiply
669,829.08x = 924,362.64 × 383,354.76 - Step 4: Simplify right side
669,829.08x = 354,358,818,010.17 - Step 5: Solve for x
x = 354,358,818,010.17/669,829.08 - Step 6: Final answer
x = 529,028.72
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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.