Finding the Fourth Proportional to 970,637.95, 1,339,580.55 and 583,579.99
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Solution
The fourth proportional to 970,637.95, 1,339,580.55 and 583,579.99 is: 805,400.62
Step by Step Solution
- Step 1: Write the proportion equation
970,637.95 : 1,339,580.55 = 583,579.99 : x - Step 2: Convert to fraction form
970,637.95/1,339,580.55 = 583,579.99/x - Step 3: Cross multiply
970,637.95x = 1,339,580.55 × 583,579.99 - Step 4: Simplify right side
970,637.95x = 781,752,403,973.20 - Step 5: Solve for x
x = 781,752,403,973.20/970,637.95 - Step 6: Final answer
x = 805,400.62
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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.