Finding the Fourth Proportional to 779,612.14, 1,075,853.41 and 435,452.96
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Solution
The fourth proportional to 779,612.14, 1,075,853.41 and 435,452.96 is: 600,918.75
Step by Step Solution
- Step 1: Write the proportion equation
779,612.14 : 1,075,853.41 = 435,452.96 : x - Step 2: Convert to fraction form
779,612.14/1,075,853.41 = 435,452.96/x - Step 3: Cross multiply
779,612.14x = 1,075,853.41 × 435,452.96 - Step 4: Simplify right side
779,612.14x = 468,483,553,511.60 - Step 5: Solve for x
x = 468,483,553,511.60/779,612.14 - Step 6: Final answer
x = 600,918.75
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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.