Finding the Fourth Proportional to 779,848.40, 1,168,966.20 and 424,110.80
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Solution
The fourth proportional to 779,848.40, 1,168,966.20 and 424,110.80 is: 635,727.65
Step by Step Solution
- Step 1: Write the proportion equation
779,848.40 : 1,168,966.20 = 424,110.80 : x - Step 2: Convert to fraction form
779,848.40/1,168,966.20 = 424,110.80/x - Step 3: Cross multiply
779,848.40x = 1,168,966.20 × 424,110.80 - Step 4: Simplify right side
779,848.40x = 495,771,190,254.96 - Step 5: Solve for x
x = 495,771,190,254.96/779,848.40 - Step 6: Final answer
x = 635,727.65
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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.