Finding the Fourth Proportional to 875,442.16, 1,312,781.88 and 465,021.68
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Solution
The fourth proportional to 875,442.16, 1,312,781.88 and 465,021.68 is: 697,329.95
Step by Step Solution
- Step 1: Write the proportion equation
875,442.16 : 1,312,781.88 = 465,021.68 : x - Step 2: Convert to fraction form
875,442.16/1,312,781.88 = 465,021.68/x - Step 3: Cross multiply
875,442.16x = 1,312,781.88 × 465,021.68 - Step 4: Simplify right side
875,442.16x = 610,472,035,311.16 - Step 5: Solve for x
x = 610,472,035,311.16/875,442.16 - Step 6: Final answer
x = 697,329.95
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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.