Finding the Fourth Proportional to 915,549.36, 1,263,435.48 and 507,652.80
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Solution
The fourth proportional to 915,549.36, 1,263,435.48 and 507,652.80 is: 700,548.31
Step by Step Solution
- Step 1: Write the proportion equation
915,549.36 : 1,263,435.48 = 507,652.80 : x - Step 2: Convert to fraction form
915,549.36/1,263,435.48 = 507,652.80/x - Step 3: Cross multiply
915,549.36x = 1,263,435.48 × 507,652.80 - Step 4: Simplify right side
915,549.36x = 641,386,559,041.34 - Step 5: Solve for x
x = 641,386,559,041.34/915,549.36 - Step 6: Final answer
x = 700,548.31
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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.