Finding the Fourth Proportional to 698,246.30, 1,047,369.45 and 432,525.80
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Solution
The fourth proportional to 698,246.30, 1,047,369.45 and 432,525.80 is: 648,788.70
Step by Step Solution
- Step 1: Write the proportion equation
698,246.30 : 1,047,369.45 = 432,525.80 : x - Step 2: Convert to fraction form
698,246.30/1,047,369.45 = 432,525.80/x - Step 3: Cross multiply
698,246.30x = 1,047,369.45 × 432,525.80 - Step 4: Simplify right side
698,246.30x = 453,014,309,256.81 - Step 5: Solve for x
x = 453,014,309,256.81/698,246.30 - Step 6: Final answer
x = 648,788.70
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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.