Finding the Fourth Proportional to 539,311.12, 744,215.88 and 297,595.60
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Solution
The fourth proportional to 539,311.12, 744,215.88 and 297,595.60 is: 410,663.46
Step by Step Solution
- Step 1: Write the proportion equation
539,311.12 : 744,215.88 = 297,595.60 : x - Step 2: Convert to fraction form
539,311.12/744,215.88 = 297,595.60/x - Step 3: Cross multiply
539,311.12x = 744,215.88 × 297,595.60 - Step 4: Simplify right side
539,311.12x = 221,475,371,338.13 - Step 5: Solve for x
x = 221,475,371,338.13/539,311.12 - Step 6: Final answer
x = 410,663.46
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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.