Finding the Fourth Proportional to 729,580.64, 1,006,872 and 407,354.08
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Solution
The fourth proportional to 729,580.64, 1,006,872 and 407,354.08 is: 562,176.95
Step by Step Solution
- Step 1: Write the proportion equation
729,580.64 : 1,006,872 = 407,354.08 : x - Step 2: Convert to fraction form
729,580.64/1,006,872 = 407,354.08/x - Step 3: Cross multiply
729,580.64x = 1,006,872 × 407,354.08 - Step 4: Simplify right side
729,580.64x = 410,153,417,237.76 - Step 5: Solve for x
x = 410,153,417,237.76/729,580.64 - Step 6: Final answer
x = 562,176.95
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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.