Finding the Fourth Proportional to 750,718.78, 1,127,201.64 and 649,829.62
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Solution
The fourth proportional to 750,718.78, 1,127,201.64 and 649,829.62 is: 975,716.92
Step by Step Solution
- Step 1: Write the proportion equation
750,718.78 : 1,127,201.64 = 649,829.62 : x - Step 2: Convert to fraction form
750,718.78/1,127,201.64 = 649,829.62/x - Step 3: Cross multiply
750,718.78x = 1,127,201.64 × 649,829.62 - Step 4: Simplify right side
750,718.78x = 732,489,013,384.58 - Step 5: Solve for x
x = 732,489,013,384.58/750,718.78 - Step 6: Final answer
x = 975,716.92
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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.