Finding the Fourth Proportional to 553,404.32, 829,407.12 and 296,598.68
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Solution
The fourth proportional to 553,404.32, 829,407.12 and 296,598.68 is: 444,523.20
Step by Step Solution
- Step 1: Write the proportion equation
553,404.32 : 829,407.12 = 296,598.68 : x - Step 2: Convert to fraction form
553,404.32/829,407.12 = 296,598.68/x - Step 3: Cross multiply
553,404.32x = 829,407.12 × 296,598.68 - Step 4: Simplify right side
553,404.32x = 246,001,056,974.60 - Step 5: Solve for x
x = 246,001,056,974.60/553,404.32 - Step 6: Final answer
x = 444,523.20
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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.