Finding the Fourth Proportional to 753,248.48, 1,129,947.12 and 247,604.36
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Solution
The fourth proportional to 753,248.48, 1,129,947.12 and 247,604.36 is: 371,430.99
Step by Step Solution
- Step 1: Write the proportion equation
753,248.48 : 1,129,947.12 = 247,604.36 : x - Step 2: Convert to fraction form
753,248.48/1,129,947.12 = 247,604.36/x - Step 3: Cross multiply
753,248.48x = 1,129,947.12 × 247,604.36 - Step 4: Simplify right side
753,248.48x = 279,779,827,831.71 - Step 5: Solve for x
x = 279,779,827,831.71/753,248.48 - Step 6: Final answer
x = 371,430.99
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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.