Finding the Fourth Proportional to 750,717.78, 1,127,200.14 and 649,828.62
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Solution
The fourth proportional to 750,717.78, 1,127,200.14 and 649,828.62 is: 975,715.42
Step by Step Solution
- Step 1: Write the proportion equation
750,717.78 : 1,127,200.14 = 649,828.62 : x - Step 2: Convert to fraction form
750,717.78/1,127,200.14 = 649,828.62/x - Step 3: Cross multiply
750,717.78x = 1,127,200.14 × 649,828.62 - Step 4: Simplify right side
750,717.78x = 732,486,911,440.01 - Step 5: Solve for x
x = 732,486,911,440.01/750,717.78 - Step 6: Final answer
x = 975,715.42
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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.