Finding the Fourth Proportional to 936,851.68, 1,292,859.76 and 507,132.16
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Solution
The fourth proportional to 936,851.68, 1,292,859.76 and 507,132.16 is: 699,844.79
Step by Step Solution
- Step 1: Write the proportion equation
936,851.68 : 1,292,859.76 = 507,132.16 : x - Step 2: Convert to fraction form
936,851.68/1,292,859.76 = 507,132.16/x - Step 3: Cross multiply
936,851.68x = 1,292,859.76 × 507,132.16 - Step 4: Simplify right side
936,851.68x = 655,650,762,665.88 - Step 5: Solve for x
x = 655,650,762,665.88/936,851.68 - Step 6: Final answer
x = 699,844.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.