Finding the Fourth Proportional to 724,805.24, 1,000,277.58 and 402,515.32
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Solution
The fourth proportional to 724,805.24, 1,000,277.58 and 402,515.32 is: 555,496.88
Step by Step Solution
- Step 1: Write the proportion equation
724,805.24 : 1,000,277.58 = 402,515.32 : x - Step 2: Convert to fraction form
724,805.24/1,000,277.58 = 402,515.32/x - Step 3: Cross multiply
724,805.24x = 1,000,277.58 × 402,515.32 - Step 4: Simplify right side
724,805.24x = 402,627,050,202.53 - Step 5: Solve for x
x = 402,627,050,202.53/724,805.24 - Step 6: Final answer
x = 555,496.88
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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.