Finding the Fourth Proportional to 688,590.35, 950,277.76 and 382,679.63
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Solution
The fourth proportional to 688,590.35, 950,277.76 and 382,679.63 is: 528,110.71
Step by Step Solution
- Step 1: Write the proportion equation
688,590.35 : 950,277.76 = 382,679.63 : x - Step 2: Convert to fraction form
688,590.35/950,277.76 = 382,679.63/x - Step 3: Cross multiply
688,590.35x = 950,277.76 × 382,679.63 - Step 4: Simplify right side
688,590.35x = 363,651,941,594.03 - Step 5: Solve for x
x = 363,651,941,594.03/688,590.35 - Step 6: Final answer
x = 528,110.71
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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.