Finding the Fourth Proportional to 778,012.80, 1,072,617.84 and 583,594.08
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Solution
The fourth proportional to 778,012.80, 1,072,617.84 and 583,594.08 is: 804,579.85
Step by Step Solution
- Step 1: Write the proportion equation
778,012.80 : 1,072,617.84 = 583,594.08 : x - Step 2: Convert to fraction form
778,012.80/1,072,617.84 = 583,594.08/x - Step 3: Cross multiply
778,012.80x = 1,072,617.84 × 583,594.08 - Step 4: Simplify right side
778,012.80x = 625,973,421,526.39 - Step 5: Solve for x
x = 625,973,421,526.39/778,012.80 - Step 6: Final answer
x = 804,579.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.