Finding the Fourth Proportional to 779,005.10, 1,168,659.15 and 299,197.81
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Solution
The fourth proportional to 779,005.10, 1,168,659.15 and 299,197.81 is: 448,854.90
Step by Step Solution
- Step 1: Write the proportion equation
779,005.10 : 1,168,659.15 = 299,197.81 : x - Step 2: Convert to fraction form
779,005.10/1,168,659.15 = 299,197.81/x - Step 3: Cross multiply
779,005.10x = 1,168,659.15 × 299,197.81 - Step 4: Simplify right side
779,005.10x = 349,660,255,394.81 - Step 5: Solve for x
x = 349,660,255,394.81/779,005.10 - Step 6: Final answer
x = 448,854.90
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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.