Finding the Fourth Proportional to 803,097.79, 1,108,331.32 and 458,984.62
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Solution
The fourth proportional to 803,097.79, 1,108,331.32 and 458,984.62 is: 633,430.99
Step by Step Solution
- Step 1: Write the proportion equation
803,097.79 : 1,108,331.32 = 458,984.62 : x - Step 2: Convert to fraction form
803,097.79/1,108,331.32 = 458,984.62/x - Step 3: Cross multiply
803,097.79x = 1,108,331.32 × 458,984.62 - Step 4: Simplify right side
803,097.79x = 508,707,024,202.64 - Step 5: Solve for x
x = 508,707,024,202.64/803,097.79 - Step 6: Final answer
x = 633,430.99
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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.