Finding the Fourth Proportional to 688,994.08, 1,033,514.36 and 529,312.71
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Solution
The fourth proportional to 688,994.08, 1,033,514.36 and 529,312.71 is: 793,986.92
Step by Step Solution
- Step 1: Write the proportion equation
688,994.08 : 1,033,514.36 = 529,312.71 : x - Step 2: Convert to fraction form
688,994.08/1,033,514.36 = 529,312.71/x - Step 3: Cross multiply
688,994.08x = 1,033,514.36 × 529,312.71 - Step 4: Simplify right side
688,994.08x = 547,052,286,715.52 - Step 5: Solve for x
x = 547,052,286,715.52/688,994.08 - Step 6: Final answer
x = 793,986.92
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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.