Finding the Fourth Proportional to 811,547.60, 1,119,873.93 and 448,963.67
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Solution
The fourth proportional to 811,547.60, 1,119,873.93 and 448,963.67 is: 619,535.70
Step by Step Solution
- Step 1: Write the proportion equation
811,547.60 : 1,119,873.93 = 448,963.67 : x - Step 2: Convert to fraction form
811,547.60/1,119,873.93 = 448,963.67/x - Step 3: Cross multiply
811,547.60x = 1,119,873.93 × 448,963.67 - Step 4: Simplify right side
811,547.60x = 502,782,703,950.75 - Step 5: Solve for x
x = 502,782,703,950.75/811,547.60 - Step 6: Final answer
x = 619,535.70
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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.