Finding the Fourth Proportional to 785,537.48, 1,178,822.90 and 430,800.62
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Solution
The fourth proportional to 785,537.48, 1,178,822.90 and 430,800.62 is: 646,484.28
Step by Step Solution
- Step 1: Write the proportion equation
785,537.48 : 1,178,822.90 = 430,800.62 : x - Step 2: Convert to fraction form
785,537.48/1,178,822.90 = 430,800.62/x - Step 3: Cross multiply
785,537.48x = 1,178,822.90 × 430,800.62 - Step 4: Simplify right side
785,537.48x = 507,837,631,373.09 - Step 5: Solve for x
x = 507,837,631,373.09/785,537.48 - Step 6: Final answer
x = 646,484.28
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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.