Finding the Fourth Proportional to 971,906.18, 1,341,497.26 and 564,139.40
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Solution
The fourth proportional to 971,906.18, 1,341,497.26 and 564,139.40 is: 778,667.20
Step by Step Solution
- Step 1: Write the proportion equation
971,906.18 : 1,341,497.26 = 564,139.40 : x - Step 2: Convert to fraction form
971,906.18/1,341,497.26 = 564,139.40/x - Step 3: Cross multiply
971,906.18x = 1,341,497.26 × 564,139.40 - Step 4: Simplify right side
971,906.18x = 756,791,459,358.04 - Step 5: Solve for x
x = 756,791,459,358.04/971,906.18 - Step 6: Final answer
x = 778,667.20
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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.