Finding the Fourth Proportional to 583,572.70, 805,994.62 and 392,253.94
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Solution
The fourth proportional to 583,572.70, 805,994.62 and 392,253.94 is: 541,756.95
Step by Step Solution
- Step 1: Write the proportion equation
583,572.70 : 805,994.62 = 392,253.94 : x - Step 2: Convert to fraction form
583,572.70/805,994.62 = 392,253.94/x - Step 3: Cross multiply
583,572.70x = 805,994.62 × 392,253.94 - Step 4: Simplify right side
583,572.70x = 316,154,565,313.80 - Step 5: Solve for x
x = 316,154,565,313.80/583,572.70 - Step 6: Final answer
x = 541,756.95
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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.