Finding the Fourth Proportional to 909,440.66, 1,363,785.73 and 310,450.12
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Solution
The fourth proportional to 909,440.66, 1,363,785.73 and 310,450.12 is: 465,547.07
Step by Step Solution
- Step 1: Write the proportion equation
909,440.66 : 1,363,785.73 = 310,450.12 : x - Step 2: Convert to fraction form
909,440.66/1,363,785.73 = 310,450.12/x - Step 3: Cross multiply
909,440.66x = 1,363,785.73 × 310,450.12 - Step 4: Simplify right side
909,440.66x = 423,387,439,347.20 - Step 5: Solve for x
x = 423,387,439,347.20/909,440.66 - Step 6: Final answer
x = 465,547.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.