Finding the Fourth Proportional to 779,064.24, 1,075,104.12 and 434,880.24
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Solution
The fourth proportional to 779,064.24, 1,075,104.12 and 434,880.24 is: 600,132.20
Step by Step Solution
- Step 1: Write the proportion equation
779,064.24 : 1,075,104.12 = 434,880.24 : x - Step 2: Convert to fraction form
779,064.24/1,075,104.12 = 434,880.24/x - Step 3: Cross multiply
779,064.24x = 1,075,104.12 × 434,880.24 - Step 4: Simplify right side
779,064.24x = 467,541,537,730.59 - Step 5: Solve for x
x = 467,541,537,730.59/779,064.24 - Step 6: Final answer
x = 600,132.20
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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.