Finding the Fourth Proportional to 785,203.62, 1,175,480.35 and 484,718.02
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Solution
The fourth proportional to 785,203.62, 1,175,480.35 and 484,718.02 is: 725,641.72
Step by Step Solution
- Step 1: Write the proportion equation
785,203.62 : 1,175,480.35 = 484,718.02 : x - Step 2: Convert to fraction form
785,203.62/1,175,480.35 = 484,718.02/x - Step 3: Cross multiply
785,203.62x = 1,175,480.35 × 484,718.02 - Step 4: Simplify right side
785,203.62x = 569,776,507,800.91 - Step 5: Solve for x
x = 569,776,507,800.91/785,203.62 - Step 6: Final answer
x = 725,641.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.