Finding the Fourth Proportional to 745,206.48, 1,029,587.40 and 519,858
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Solution
The fourth proportional to 745,206.48, 1,029,587.40 and 519,858 is: 718,242.88
Step by Step Solution
- Step 1: Write the proportion equation
745,206.48 : 1,029,587.40 = 519,858 : x - Step 2: Convert to fraction form
745,206.48/1,029,587.40 = 519,858/x - Step 3: Cross multiply
745,206.48x = 1,029,587.40 × 519,858 - Step 4: Simplify right side
745,206.48x = 535,239,246,589.20 - Step 5: Solve for x
x = 535,239,246,589.20/745,206.48 - Step 6: Final answer
x = 718,242.88
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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.