Finding the Fourth Proportional to 630,339.93, 869,867.91 and 343,859.94
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Solution
The fourth proportional to 630,339.93, 869,867.91 and 343,859.94 is: 474,526.07
Step by Step Solution
- Step 1: Write the proportion equation
630,339.93 : 869,867.91 = 343,859.94 : x - Step 2: Convert to fraction form
630,339.93/869,867.91 = 343,859.94/x - Step 3: Cross multiply
630,339.93x = 869,867.91 × 343,859.94 - Step 4: Simplify right side
630,339.93x = 299,112,727,340.53 - Step 5: Solve for x
x = 299,112,727,340.53/630,339.93 - Step 6: Final answer
x = 474,526.07
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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.