Home / 460,075.09-634,932.63-278,802.88

Finding the Fourth Proportional to 460,075.09, 634,932.63 and 278,802.88

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Solution

The fourth proportional to 460,075.09, 634,932.63 and 278,802.88 is: 384,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,075.09 : 634,932.63 = 278,802.88 : x
  2. Step 2: Convert to fraction form
    460,075.09/634,932.63 = 278,802.88/x
  3. Step 3: Cross multiply
    460,075.09x = 634,932.63 × 278,802.88
  4. Step 4: Simplify right side
    460,075.09x = 177,021,045,849.97
  5. Step 5: Solve for x
    x = 177,021,045,849.97/460,075.09
  6. Step 6: Final answer
    x = 384,765.55

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1.5x scale

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.