Home / 874,075.29-1,310,988.38-275,020.88

Finding the Fourth Proportional to 874,075.29, 1,310,988.38 and 275,020.88

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Solution

The fourth proportional to 874,075.29, 1,310,988.38 and 275,020.88 is: 412,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,075.29 : 1,310,988.38 = 275,020.88 : x
  2. Step 2: Convert to fraction form
    874,075.29/1,310,988.38 = 275,020.88/x
  3. Step 3: Cross multiply
    874,075.29x = 1,310,988.38 × 275,020.88
  4. Step 4: Simplify right side
    874,075.29x = 360,549,180,385.45
  5. Step 5: Solve for x
    x = 360,549,180,385.45/874,075.29
  6. Step 6: Final answer
    x = 412,492.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.