Finding the Fourth Proportional to 885,000.21, 1,328,209.69 and 458,657.92
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Solution
The fourth proportional to 885,000.21, 1,328,209.69 and 458,657.92 is: 688,354.52
Step by Step Solution
- Step 1: Write the proportion equation
885,000.21 : 1,328,209.69 = 458,657.92 : x - Step 2: Convert to fraction form
885,000.21/1,328,209.69 = 458,657.92/x - Step 3: Cross multiply
885,000.21x = 1,328,209.69 × 458,657.92 - Step 4: Simplify right side
885,000.21x = 609,193,887,098.20 - Step 5: Solve for x
x = 609,193,887,098.20/885,000.21 - Step 6: Final answer
x = 688,354.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.