Finding the Fourth Proportional to 586,239.21, 879,077.93 and 286,368.71
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Solution
The fourth proportional to 586,239.21, 879,077.93 and 286,368.71 is: 429,415.86
Step by Step Solution
- Step 1: Write the proportion equation
586,239.21 : 879,077.93 = 286,368.71 : x - Step 2: Convert to fraction form
586,239.21/879,077.93 = 286,368.71/x - Step 3: Cross multiply
586,239.21x = 879,077.93 × 286,368.71 - Step 4: Simplify right side
586,239.21x = 251,740,412,803.57 - Step 5: Solve for x
x = 251,740,412,803.57/586,239.21 - Step 6: Final answer
x = 429,415.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.