Finding the Fourth Proportional to 1,011,264.55, 1,395,531.08 and 552,373.63
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Solution
The fourth proportional to 1,011,264.55, 1,395,531.08 and 552,373.63 is: 762,267.96
Step by Step Solution
- Step 1: Write the proportion equation
1,011,264.55 : 1,395,531.08 = 552,373.63 : x - Step 2: Convert to fraction form
1,011,264.55/1,395,531.08 = 552,373.63/x - Step 3: Cross multiply
1,011,264.55x = 1,395,531.08 × 552,373.63 - Step 4: Simplify right side
1,011,264.55x = 770,854,564,258.13 - Step 5: Solve for x
x = 770,854,564,258.13/1,011,264.55 - Step 6: Final answer
x = 762,267.96
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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.