Finding the Fourth Proportional to 912,831.19, 1,367,622.93 and 778,347.09
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Solution
The fourth proportional to 912,831.19, 1,367,622.93 and 778,347.09 is: 1,166,136.02
Step by Step Solution
- Step 1: Write the proportion equation
912,831.19 : 1,367,622.93 = 778,347.09 : x - Step 2: Convert to fraction form
912,831.19/1,367,622.93 = 778,347.09/x - Step 3: Cross multiply
912,831.19x = 1,367,622.93 × 778,347.09 - Step 4: Simplify right side
912,831.19x = 1,064,485,330,701.58 - Step 5: Solve for x
x = 1,064,485,330,701.58/912,831.19 - Step 6: Final answer
x = 1,166,136.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.