Finding the Fourth Proportional to 905,124.17, 1,249,030.95 and 542,747.99
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Solution
The fourth proportional to 905,124.17, 1,249,030.95 and 542,747.99 is: 748,968.00
Step by Step Solution
- Step 1: Write the proportion equation
905,124.17 : 1,249,030.95 = 542,747.99 : x - Step 2: Convert to fraction form
905,124.17/1,249,030.95 = 542,747.99/x - Step 3: Cross multiply
905,124.17x = 1,249,030.95 × 542,747.99 - Step 4: Simplify right side
905,124.17x = 677,909,037,560.29 - Step 5: Solve for x
x = 677,909,037,560.29/905,124.17 - Step 6: Final answer
x = 748,968.00
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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.