Finding the Fourth Proportional to 692,128.60, 1,036,224.58 and 533,352.40
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Solution
The fourth proportional to 692,128.60, 1,036,224.58 and 533,352.40 is: 798,511.82
Step by Step Solution
- Step 1: Write the proportion equation
692,128.60 : 1,036,224.58 = 533,352.40 : x - Step 2: Convert to fraction form
692,128.60/1,036,224.58 = 533,352.40/x - Step 3: Cross multiply
692,128.60x = 1,036,224.58 × 533,352.40 - Step 4: Simplify right side
692,128.60x = 552,672,866,681.99 - Step 5: Solve for x
x = 552,672,866,681.99/692,128.60 - Step 6: Final answer
x = 798,511.82
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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.