Finding the Fourth Proportional to 587,281.20, 880,921.80 and 473,119.80
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Solution
The fourth proportional to 587,281.20, 880,921.80 and 473,119.80 is: 709,679.70
Step by Step Solution
- Step 1: Write the proportion equation
587,281.20 : 880,921.80 = 473,119.80 : x - Step 2: Convert to fraction form
587,281.20/880,921.80 = 473,119.80/x - Step 3: Cross multiply
587,281.20x = 880,921.80 × 473,119.80 - Step 4: Simplify right side
587,281.20x = 416,781,545,831.64 - Step 5: Solve for x
x = 416,781,545,831.64/587,281.20 - Step 6: Final answer
x = 709,679.70
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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.