Finding the Fourth Proportional to 539,590.32, 744,615.12 and 297,867.70
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Solution
The fourth proportional to 539,590.32, 744,615.12 and 297,867.70 is: 411,046.65
Step by Step Solution
- Step 1: Write the proportion equation
539,590.32 : 744,615.12 = 297,867.70 : x - Step 2: Convert to fraction form
539,590.32/744,615.12 = 297,867.70/x - Step 3: Cross multiply
539,590.32x = 744,615.12 × 297,867.70 - Step 4: Simplify right side
539,590.32x = 221,796,794,296.63 - Step 5: Solve for x
x = 221,796,794,296.63/539,590.32 - Step 6: Final answer
x = 411,046.65
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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.