Finding the Fourth Proportional to 723,547.82, 998,430.08 and 401,256.92
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Solution
The fourth proportional to 723,547.82, 998,430.08 and 401,256.92 is: 553,697.99
Step by Step Solution
- Step 1: Write the proportion equation
723,547.82 : 998,430.08 = 401,256.92 : x - Step 2: Convert to fraction form
723,547.82/998,430.08 = 401,256.92/x - Step 3: Cross multiply
723,547.82x = 998,430.08 × 401,256.92 - Step 4: Simplify right side
723,547.82x = 400,626,971,737.72 - Step 5: Solve for x
x = 400,626,971,737.72/723,547.82 - Step 6: Final answer
x = 553,697.99
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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.