Finding the Fourth Proportional to 926,353.09, 1,389,927.03 and 358,133.26
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Solution
The fourth proportional to 926,353.09, 1,389,927.03 and 358,133.26 is: 537,353.52
Step by Step Solution
- Step 1: Write the proportion equation
926,353.09 : 1,389,927.03 = 358,133.26 : x - Step 2: Convert to fraction form
926,353.09/1,389,927.03 = 358,133.26/x - Step 3: Cross multiply
926,353.09x = 1,389,927.03 × 358,133.26 - Step 4: Simplify right side
926,353.09x = 497,779,091,466.38 - Step 5: Solve for x
x = 497,779,091,466.38/926,353.09 - Step 6: Final answer
x = 537,353.52
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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.