Finding the Fourth Proportional to 817,319.53, 1,127,883.35 and 473,170
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Solution
The fourth proportional to 817,319.53, 1,127,883.35 and 473,170 is: 652,964.41
Step by Step Solution
- Step 1: Write the proportion equation
817,319.53 : 1,127,883.35 = 473,170 : x - Step 2: Convert to fraction form
817,319.53/1,127,883.35 = 473,170/x - Step 3: Cross multiply
817,319.53x = 1,127,883.35 × 473,170 - Step 4: Simplify right side
817,319.53x = 533,680,564,719.50 - Step 5: Solve for x
x = 533,680,564,719.50/817,319.53 - Step 6: Final answer
x = 652,964.41
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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.