Finding the Fourth Proportional to 539,667.99, 744,726.99 and 297,946.17
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Solution
The fourth proportional to 539,667.99, 744,726.99 and 297,946.17 is: 411,157.52
Step by Step Solution
- Step 1: Write the proportion equation
539,667.99 : 744,726.99 = 297,946.17 : x - Step 2: Convert to fraction form
539,667.99/744,726.99 = 297,946.17/x - Step 3: Cross multiply
539,667.99x = 744,726.99 × 297,946.17 - Step 4: Simplify right side
539,667.99x = 221,888,554,366.13 - Step 5: Solve for x
x = 221,888,554,366.13/539,667.99 - Step 6: Final answer
x = 411,157.52
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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.