Finding the Fourth Proportional to 936,935.84, 1,292,971.86 and 507,215.94
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Solution
The fourth proportional to 936,935.84, 1,292,971.86 and 507,215.94 is: 699,958.21
Step by Step Solution
- Step 1: Write the proportion equation
936,935.84 : 1,292,971.86 = 507,215.94 : x - Step 2: Convert to fraction form
936,935.84/1,292,971.86 = 507,215.94/x - Step 3: Cross multiply
936,935.84x = 1,292,971.86 × 507,215.94 - Step 4: Simplify right side
936,935.84x = 655,815,937,363.45 - Step 5: Solve for x
x = 655,815,937,363.45/936,935.84 - Step 6: Final answer
x = 699,958.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.