Finding the Fourth Proportional to 742,305.16, 1,111,549.20 and 514,276.09
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Solution
The fourth proportional to 742,305.16, 1,111,549.20 and 514,276.09 is: 770,091.88
Step by Step Solution
- Step 1: Write the proportion equation
742,305.16 : 1,111,549.20 = 514,276.09 : x - Step 2: Convert to fraction form
742,305.16/1,111,549.20 = 514,276.09/x - Step 3: Cross multiply
742,305.16x = 1,111,549.20 × 514,276.09 - Step 4: Simplify right side
742,305.16x = 571,643,176,050.42 - Step 5: Solve for x
x = 571,643,176,050.42/742,305.16 - Step 6: Final answer
x = 770,091.88
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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.