Finding the Fourth Proportional to 778,554.84, 1,074,405.84 and 439,023.12
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Solution
The fourth proportional to 778,554.84, 1,074,405.84 and 439,023.12 is: 605,852.00
Step by Step Solution
- Step 1: Write the proportion equation
778,554.84 : 1,074,405.84 = 439,023.12 : x - Step 2: Convert to fraction form
778,554.84/1,074,405.84 = 439,023.12/x - Step 3: Cross multiply
778,554.84x = 1,074,405.84 × 439,023.12 - Step 4: Simplify right side
778,554.84x = 471,689,004,023.02 - Step 5: Solve for x
x = 471,689,004,023.02/778,554.84 - Step 6: Final answer
x = 605,852.00
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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.