Finding the Fourth Proportional to 623,244.96, 861,530.96 and 555,929.08
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Solution
The fourth proportional to 623,244.96, 861,530.96 and 555,929.08 is: 768,478.12
Step by Step Solution
- Step 1: Write the proportion equation
623,244.96 : 861,530.96 = 555,929.08 : x - Step 2: Convert to fraction form
623,244.96/861,530.96 = 555,929.08/x - Step 3: Cross multiply
623,244.96x = 861,530.96 × 555,929.08 - Step 4: Simplify right side
623,244.96x = 478,950,113,984.32 - Step 5: Solve for x
x = 478,950,113,984.32/623,244.96 - Step 6: Final answer
x = 768,478.12
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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.