Finding the Fourth Proportional to 583,658.05, 805,311.07 and 354,209.98
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Solution
The fourth proportional to 583,658.05, 805,311.07 and 354,209.98 is: 488,726.61
Step by Step Solution
- Step 1: Write the proportion equation
583,658.05 : 805,311.07 = 354,209.98 : x - Step 2: Convert to fraction form
583,658.05/805,311.07 = 354,209.98/x - Step 3: Cross multiply
583,658.05x = 805,311.07 × 354,209.98 - Step 4: Simplify right side
583,658.05x = 285,249,217,998.48 - Step 5: Solve for x
x = 285,249,217,998.48/583,658.05 - Step 6: Final answer
x = 488,726.61
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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.