Finding the Fourth Proportional to 855,135.10, 1,285,813.05 and 836,472.70
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Solution
The fourth proportional to 855,135.10, 1,285,813.05 and 836,472.70 is: 1,257,751.57
Step by Step Solution
- Step 1: Write the proportion equation
855,135.10 : 1,285,813.05 = 836,472.70 : x - Step 2: Convert to fraction form
855,135.10/1,285,813.05 = 836,472.70/x - Step 3: Cross multiply
855,135.10x = 1,285,813.05 × 836,472.70 - Step 4: Simplify right side
855,135.10x = 1,075,547,513,628.74 - Step 5: Solve for x
x = 1,075,547,513,628.74/855,135.10 - Step 6: Final answer
x = 1,257,751.57
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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.