Finding the Fourth Proportional to 936,315.84, 1,292,106.66 and 506,586.54
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Solution
The fourth proportional to 936,315.84, 1,292,106.66 and 506,586.54 is: 699,084.45
Step by Step Solution
- Step 1: Write the proportion equation
936,315.84 : 1,292,106.66 = 506,586.54 : x - Step 2: Convert to fraction form
936,315.84/1,292,106.66 = 506,586.54/x - Step 3: Cross multiply
936,315.84x = 1,292,106.66 × 506,586.54 - Step 4: Simplify right side
936,315.84x = 654,563,842,200.36 - Step 5: Solve for x
x = 654,563,842,200.36/936,315.84 - Step 6: Final answer
x = 699,084.45
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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.