Finding the Fourth Proportional to 634,303.10, 875,378.12 and 347,823.18
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Solution
The fourth proportional to 634,303.10, 875,378.12 and 347,823.18 is: 480,017.84
Step by Step Solution
- Step 1: Write the proportion equation
634,303.10 : 875,378.12 = 347,823.18 : x - Step 2: Convert to fraction form
634,303.10/875,378.12 = 347,823.18/x - Step 3: Cross multiply
634,303.10x = 875,378.12 × 347,823.18 - Step 4: Simplify right side
634,303.10x = 304,476,799,661.71 - Step 5: Solve for x
x = 304,476,799,661.71/634,303.10 - Step 6: Final answer
x = 480,017.84
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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.