Finding the Fourth Proportional to 977,206.20, 1,465,809.30 and 346,831.80
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Solution
The fourth proportional to 977,206.20, 1,465,809.30 and 346,831.80 is: 520,247.70
Step by Step Solution
- Step 1: Write the proportion equation
977,206.20 : 1,465,809.30 = 346,831.80 : x - Step 2: Convert to fraction form
977,206.20/1,465,809.30 = 346,831.80/x - Step 3: Cross multiply
977,206.20x = 1,465,809.30 × 346,831.80 - Step 4: Simplify right side
977,206.20x = 508,389,277,975.74 - Step 5: Solve for x
x = 508,389,277,975.74/977,206.20 - Step 6: Final answer
x = 520,247.70
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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.