Finding the Fourth Proportional to 709,530.68, 1,063,730.90 and 409,671.12
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Solution
The fourth proportional to 709,530.68, 1,063,730.90 and 409,671.12 is: 614,180.39
Step by Step Solution
- Step 1: Write the proportion equation
709,530.68 : 1,063,730.90 = 409,671.12 : x - Step 2: Convert to fraction form
709,530.68/1,063,730.90 = 409,671.12/x - Step 3: Cross multiply
709,530.68x = 1,063,730.90 × 409,671.12 - Step 4: Simplify right side
709,530.68x = 435,779,829,181.61 - Step 5: Solve for x
x = 435,779,829,181.61/709,530.68 - Step 6: Final answer
x = 614,180.39
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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.