Finding the Fourth Proportional to 832,497.18, 1,248,693.93 and 512,709.90
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Solution
The fourth proportional to 832,497.18, 1,248,693.93 and 512,709.90 is: 769,032.92
Step by Step Solution
- Step 1: Write the proportion equation
832,497.18 : 1,248,693.93 = 512,709.90 : x - Step 2: Convert to fraction form
832,497.18/1,248,693.93 = 512,709.90/x - Step 3: Cross multiply
832,497.18x = 1,248,693.93 × 512,709.90 - Step 4: Simplify right side
832,497.18x = 640,217,739,980.91 - Step 5: Solve for x
x = 640,217,739,980.91/832,497.18 - Step 6: Final answer
x = 769,032.92
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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.