Finding the Fourth Proportional to 909,434.68, 1,363,776.70 and 310,444.14
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Solution
The fourth proportional to 909,434.68, 1,363,776.70 and 310,444.14 is: 465,538.09
Step by Step Solution
- Step 1: Write the proportion equation
909,434.68 : 1,363,776.70 = 310,444.14 : x - Step 2: Convert to fraction form
909,434.68/1,363,776.70 = 310,444.14/x - Step 3: Cross multiply
909,434.68x = 1,363,776.70 × 310,444.14 - Step 4: Simplify right side
909,434.68x = 423,376,484,783.54 - Step 5: Solve for x
x = 423,376,484,783.54/909,434.68 - Step 6: Final answer
x = 465,538.09
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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.