Finding the Fourth Proportional to 905,700.99, 1,249,985.62 and 584,345.95
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Solution
The fourth proportional to 905,700.99, 1,249,985.62 and 584,345.95 is: 806,473.70
Step by Step Solution
- Step 1: Write the proportion equation
905,700.99 : 1,249,985.62 = 584,345.95 : x - Step 2: Convert to fraction form
905,700.99/1,249,985.62 = 584,345.95/x - Step 3: Cross multiply
905,700.99x = 1,249,985.62 × 584,345.95 - Step 4: Simplify right side
905,700.99x = 730,424,032,210.71 - Step 5: Solve for x
x = 730,424,032,210.71/905,700.99 - Step 6: Final answer
x = 806,473.70
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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.