Finding the Fourth Proportional to 935,874.65, 1,291,506.99 and 506,154.77
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Solution
The fourth proportional to 935,874.65, 1,291,506.99 and 506,154.77 is: 698,493.57
Step by Step Solution
- Step 1: Write the proportion equation
935,874.65 : 1,291,506.99 = 506,154.77 : x - Step 2: Convert to fraction form
935,874.65/1,291,506.99 = 506,154.77/x - Step 3: Cross multiply
935,874.65x = 1,291,506.99 × 506,154.77 - Step 4: Simplify right side
935,874.65x = 653,702,423,476.84 - Step 5: Solve for x
x = 653,702,423,476.84/935,874.65 - Step 6: Final answer
x = 698,493.57
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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.