Finding the Fourth Proportional to 927,840.16, 1,281,036.48 and 712,595.68
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Solution
The fourth proportional to 927,840.16, 1,281,036.48 and 712,595.68 is: 983,855.95
Step by Step Solution
- Step 1: Write the proportion equation
927,840.16 : 1,281,036.48 = 712,595.68 : x - Step 2: Convert to fraction form
927,840.16/1,281,036.48 = 712,595.68/x - Step 3: Cross multiply
927,840.16x = 1,281,036.48 × 712,595.68 - Step 4: Simplify right side
927,840.16x = 912,861,061,570.41 - Step 5: Solve for x
x = 912,861,061,570.41/927,840.16 - Step 6: Final answer
x = 983,855.95
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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.