Finding the Fourth Proportional to 779,648.36, 1,075,903.16 and 435,489.08
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Solution
The fourth proportional to 779,648.36, 1,075,903.16 and 435,489.08 is: 600,968.46
Step by Step Solution
- Step 1: Write the proportion equation
779,648.36 : 1,075,903.16 = 435,489.08 : x - Step 2: Convert to fraction form
779,648.36/1,075,903.16 = 435,489.08/x - Step 3: Cross multiply
779,648.36x = 1,075,903.16 × 435,489.08 - Step 4: Simplify right side
779,648.36x = 468,544,069,760.53 - Step 5: Solve for x
x = 468,544,069,760.53/779,648.36 - Step 6: Final answer
x = 600,968.46
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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.