Finding the Fourth Proportional to 539,873.04, 745,024.78 and 313,533.12
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Solution
The fourth proportional to 539,873.04, 745,024.78 and 313,533.12 is: 432,675.70
Step by Step Solution
- Step 1: Write the proportion equation
539,873.04 : 745,024.78 = 313,533.12 : x - Step 2: Convert to fraction form
539,873.04/745,024.78 = 313,533.12/x - Step 3: Cross multiply
539,873.04x = 745,024.78 × 313,533.12 - Step 4: Simplify right side
539,873.04x = 233,589,943,750.71 - Step 5: Solve for x
x = 233,589,943,750.71/539,873.04 - Step 6: Final answer
x = 432,675.70
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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.