Home / 875,846.88-1,209,075.57-513,220.41

Finding the Fourth Proportional to 875,846.88, 1,209,075.57 and 513,220.41

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Solution

The fourth proportional to 875,846.88, 1,209,075.57 and 513,220.41 is: 708,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,846.88 : 1,209,075.57 = 513,220.41 : x
  2. Step 2: Convert to fraction form
    875,846.88/1,209,075.57 = 513,220.41/x
  3. Step 3: Cross multiply
    875,846.88x = 1,209,075.57 × 513,220.41
  4. Step 4: Simplify right side
    875,846.88x = 620,522,259,756.38
  5. Step 5: Solve for x
    x = 620,522,259,756.38/875,846.88
  6. Step 6: Final answer
    x = 708,482.58

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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.