Finding the Fourth Proportional to 832,389.12, 1,246,134.24 and 515,828.16
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Solution
The fourth proportional to 832,389.12, 1,246,134.24 and 515,828.16 is: 772,224.33
Step by Step Solution
- Step 1: Write the proportion equation
832,389.12 : 1,246,134.24 = 515,828.16 : x - Step 2: Convert to fraction form
832,389.12/1,246,134.24 = 515,828.16/x - Step 3: Cross multiply
832,389.12x = 1,246,134.24 × 515,828.16 - Step 4: Simplify right side
832,389.12x = 642,791,132,132.20 - Step 5: Solve for x
x = 642,791,132,132.20/832,389.12 - Step 6: Final answer
x = 772,224.33
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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.