Finding the Fourth Proportional to 688,577.99, 1,029,696.11 and 654,985.67
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Solution
The fourth proportional to 688,577.99, 1,029,696.11 and 654,985.67 is: 979,462.32
Step by Step Solution
- Step 1: Write the proportion equation
688,577.99 : 1,029,696.11 = 654,985.67 : x - Step 2: Convert to fraction form
688,577.99/1,029,696.11 = 654,985.67/x - Step 3: Cross multiply
688,577.99x = 1,029,696.11 × 654,985.67 - Step 4: Simplify right side
688,577.99x = 674,436,195,804.06 - Step 5: Solve for x
x = 674,436,195,804.06/688,577.99 - Step 6: Final answer
x = 979,462.32
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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.