Finding the Fourth Proportional to 817,488.74, 1,224,460.82 and 395,880.50
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Solution
The fourth proportional to 817,488.74, 1,224,460.82 and 395,880.50 is: 592,962.49
Step by Step Solution
- Step 1: Write the proportion equation
817,488.74 : 1,224,460.82 = 395,880.50 : x - Step 2: Convert to fraction form
817,488.74/1,224,460.82 = 395,880.50/x - Step 3: Cross multiply
817,488.74x = 1,224,460.82 × 395,880.50 - Step 4: Simplify right side
817,488.74x = 484,740,161,652.01 - Step 5: Solve for x
x = 484,740,161,652.01/817,488.74 - Step 6: Final answer
x = 592,962.49
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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.