Finding the Fourth Proportional to 832,556.53, 1,148,948.92 and 470,013.90
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Solution
The fourth proportional to 832,556.53, 1,148,948.92 and 470,013.90 is: 648,630.99
Step by Step Solution
- Step 1: Write the proportion equation
832,556.53 : 1,148,948.92 = 470,013.90 : x - Step 2: Convert to fraction form
832,556.53/1,148,948.92 = 470,013.90/x - Step 3: Cross multiply
832,556.53x = 1,148,948.92 × 470,013.90 - Step 4: Simplify right side
832,556.53x = 540,021,962,789.99 - Step 5: Solve for x
x = 540,021,962,789.99/832,556.53 - Step 6: Final answer
x = 648,630.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.