Finding the Fourth Proportional to 761,762.39, 1,051,307.26 and 435,124.19
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Solution
The fourth proportional to 761,762.39, 1,051,307.26 and 435,124.19 is: 600,514.32
Step by Step Solution
- Step 1: Write the proportion equation
761,762.39 : 1,051,307.26 = 435,124.19 : x - Step 2: Convert to fraction form
761,762.39/1,051,307.26 = 435,124.19/x - Step 3: Cross multiply
761,762.39x = 1,051,307.26 × 435,124.19 - Step 4: Simplify right side
761,762.39x = 457,449,221,489.08 - Step 5: Solve for x
x = 457,449,221,489.08/761,762.39 - Step 6: Final answer
x = 600,514.32
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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.