Finding the Fourth Proportional to 771,833.84, 1,065,129.65 and 427,692.05
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Solution
The fourth proportional to 771,833.84, 1,065,129.65 and 427,692.05 is: 590,214.45
Step by Step Solution
- Step 1: Write the proportion equation
771,833.84 : 1,065,129.65 = 427,692.05 : x - Step 2: Convert to fraction form
771,833.84/1,065,129.65 = 427,692.05/x - Step 3: Cross multiply
771,833.84x = 1,065,129.65 × 427,692.05 - Step 4: Simplify right side
771,833.84x = 455,547,484,048.65 - Step 5: Solve for x
x = 455,547,484,048.65/771,833.84 - Step 6: Final answer
x = 590,214.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.