Finding the Fourth Proportional to 988,128.04, 1,363,461.24 and 574,756.24
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Solution
The fourth proportional to 988,128.04, 1,363,461.24 and 574,756.24 is: 793,073.19
Step by Step Solution
- Step 1: Write the proportion equation
988,128.04 : 1,363,461.24 = 574,756.24 : x - Step 2: Convert to fraction form
988,128.04/1,363,461.24 = 574,756.24/x - Step 3: Cross multiply
988,128.04x = 1,363,461.24 × 574,756.24 - Step 4: Simplify right side
988,128.04x = 783,657,855,688.14 - Step 5: Solve for x
x = 783,657,855,688.14/988,128.04 - Step 6: Final answer
x = 793,073.19
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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.