Finding the Fourth Proportional to 934,306.65, 1,288,637.51 and 805,468.05
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Solution
The fourth proportional to 934,306.65, 1,288,637.51 and 805,468.05 is: 1,110,937.55
Step by Step Solution
- Step 1: Write the proportion equation
934,306.65 : 1,288,637.51 = 805,468.05 : x - Step 2: Convert to fraction form
934,306.65/1,288,637.51 = 805,468.05/x - Step 3: Cross multiply
934,306.65x = 1,288,637.51 × 805,468.05 - Step 4: Simplify right side
934,306.65x = 1,037,956,338,309.22 - Step 5: Solve for x
x = 1,037,956,338,309.22/934,306.65 - Step 6: Final answer
x = 1,110,937.55
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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.