Finding the Fourth Proportional to 612,808.02, 845,726.16 and 340,927.14
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Solution
The fourth proportional to 612,808.02, 845,726.16 and 340,927.14 is: 470,507.88
Step by Step Solution
- Step 1: Write the proportion equation
612,808.02 : 845,726.16 = 340,927.14 : x - Step 2: Convert to fraction form
612,808.02/845,726.16 = 340,927.14/x - Step 3: Cross multiply
612,808.02x = 845,726.16 × 340,927.14 - Step 4: Simplify right side
612,808.02x = 288,331,000,951.98 - Step 5: Solve for x
x = 288,331,000,951.98/612,808.02 - Step 6: Final answer
x = 470,507.88
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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.