Finding the Fourth Proportional to 652,567.36, 900,023.36 and 539,193.28
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Solution
The fourth proportional to 652,567.36, 900,023.36 and 539,193.28 is: 743,657.40
Step by Step Solution
- Step 1: Write the proportion equation
652,567.36 : 900,023.36 = 539,193.28 : x - Step 2: Convert to fraction form
652,567.36/900,023.36 = 539,193.28/x - Step 3: Cross multiply
652,567.36x = 900,023.36 × 539,193.28 - Step 4: Simplify right side
652,567.36x = 485,286,547,555.02 - Step 5: Solve for x
x = 485,286,547,555.02/652,567.36 - Step 6: Final answer
x = 743,657.40
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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.