Finding the Fourth Proportional to 1,017,176.76, 1,403,656.62 and 564,463.80
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Solution
The fourth proportional to 1,017,176.76, 1,403,656.62 and 564,463.80 is: 778,933.79
Step by Step Solution
- Step 1: Write the proportion equation
1,017,176.76 : 1,403,656.62 = 564,463.80 : x - Step 2: Convert to fraction form
1,017,176.76/1,403,656.62 = 564,463.80/x - Step 3: Cross multiply
1,017,176.76x = 1,403,656.62 × 564,463.80 - Step 4: Simplify right side
1,017,176.76x = 792,313,349,620.36 - Step 5: Solve for x
x = 792,313,349,620.36/1,017,176.76 - Step 6: Final answer
x = 778,933.79
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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.