Finding the Fourth Proportional to 773,604.07, 1,067,556.81 and 429,420.08
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Solution
The fourth proportional to 773,604.07, 1,067,556.81 and 429,420.08 is: 592,590.39
Step by Step Solution
- Step 1: Write the proportion equation
773,604.07 : 1,067,556.81 = 429,420.08 : x - Step 2: Convert to fraction form
773,604.07/1,067,556.81 = 429,420.08/x - Step 3: Cross multiply
773,604.07x = 1,067,556.81 × 429,420.08 - Step 4: Simplify right side
773,604.07x = 458,430,335,033.96 - Step 5: Solve for x
x = 458,430,335,033.96/773,604.07 - Step 6: Final answer
x = 592,590.39
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1.5x scale
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.