Finding the Fourth Proportional to 745,320.16, 1,028,525.66 and 435,276.08
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Solution
The fourth proportional to 745,320.16, 1,028,525.66 and 435,276.08 is: 600,671.55
Step by Step Solution
- Step 1: Write the proportion equation
745,320.16 : 1,028,525.66 = 435,276.08 : x - Step 2: Convert to fraction form
745,320.16/1,028,525.66 = 435,276.08/x - Step 3: Cross multiply
745,320.16x = 1,028,525.66 × 435,276.08 - Step 4: Simplify right side
745,320.16x = 447,692,617,464.21 - Step 5: Solve for x
x = 447,692,617,464.21/745,320.16 - Step 6: Final answer
x = 600,671.55
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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.