Finding the Fourth Proportional to 756,703.08, 1,130,280.68 and 637,128.90
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Solution
The fourth proportional to 756,703.08, 1,130,280.68 and 637,128.90 is: 951,673.79
Step by Step Solution
- Step 1: Write the proportion equation
756,703.08 : 1,130,280.68 = 637,128.90 : x - Step 2: Convert to fraction form
756,703.08/1,130,280.68 = 637,128.90/x - Step 3: Cross multiply
756,703.08x = 1,130,280.68 × 637,128.90 - Step 4: Simplify right side
756,703.08x = 720,134,487,932.47 - Step 5: Solve for x
x = 720,134,487,932.47/756,703.08 - Step 6: Final answer
x = 951,673.79
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.