Finding the Fourth Proportional to 772,587.76, 1,159,207.28 and 299,606.08
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Solution
The fourth proportional to 772,587.76, 1,159,207.28 and 299,606.08 is: 449,535.40
Step by Step Solution
- Step 1: Write the proportion equation
772,587.76 : 1,159,207.28 = 299,606.08 : x - Step 2: Convert to fraction form
772,587.76/1,159,207.28 = 299,606.08/x - Step 3: Cross multiply
772,587.76x = 1,159,207.28 × 299,606.08 - Step 4: Simplify right side
772,587.76x = 347,305,549,068.26 - Step 5: Solve for x
x = 347,305,549,068.26/772,587.76 - Step 6: Final answer
x = 449,535.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.