Finding the Fourth Proportional to 937,312.12, 1,293,488.74 and 507,590.92
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Solution
The fourth proportional to 937,312.12, 1,293,488.74 and 507,590.92 is: 700,474.39
Step by Step Solution
- Step 1: Write the proportion equation
937,312.12 : 1,293,488.74 = 507,590.92 : x - Step 2: Convert to fraction form
937,312.12/1,293,488.74 = 507,590.92/x - Step 3: Cross multiply
937,312.12x = 1,293,488.74 × 507,590.92 - Step 4: Simplify right side
937,312.12x = 656,563,139,546.24 - Step 5: Solve for x
x = 656,563,139,546.24/937,312.12 - Step 6: Final answer
x = 700,474.39
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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.