Finding the Fourth Proportional to 745,769.69, 1,029,128.94 and 435,701.04
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Solution
The fourth proportional to 745,769.69, 1,029,128.94 and 435,701.04 is: 601,248.02
Step by Step Solution
- Step 1: Write the proportion equation
745,769.69 : 1,029,128.94 = 435,701.04 : x - Step 2: Convert to fraction form
745,769.69/1,029,128.94 = 435,701.04/x - Step 3: Cross multiply
745,769.69x = 1,029,128.94 × 435,701.04 - Step 4: Simplify right side
745,769.69x = 448,392,549,452.10 - Step 5: Solve for x
x = 448,392,549,452.10/745,769.69 - Step 6: Final answer
x = 601,248.02
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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.