Finding the Fourth Proportional to 778,628.04, 1,074,510.01 and 434,478.99
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Solution
The fourth proportional to 778,628.04, 1,074,510.01 and 434,478.99 is: 599,582.85
Step by Step Solution
- Step 1: Write the proportion equation
778,628.04 : 1,074,510.01 = 434,478.99 : x - Step 2: Convert to fraction form
778,628.04/1,074,510.01 = 434,478.99/x - Step 3: Cross multiply
778,628.04x = 1,074,510.01 × 434,478.99 - Step 4: Simplify right side
778,628.04x = 466,852,019,974.14 - Step 5: Solve for x
x = 466,852,019,974.14/778,628.04 - Step 6: Final answer
x = 599,582.85
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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.