Home / 876,210.40-1,314,315.60-477,629.65

Finding the Fourth Proportional to 876,210.40, 1,314,315.60 and 477,629.65

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Solution

The fourth proportional to 876,210.40, 1,314,315.60 and 477,629.65 is: 716,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,210.40 : 1,314,315.60 = 477,629.65 : x
  2. Step 2: Convert to fraction form
    876,210.40/1,314,315.60 = 477,629.65/x
  3. Step 3: Cross multiply
    876,210.40x = 1,314,315.60 × 477,629.65
  4. Step 4: Simplify right side
    876,210.40x = 627,756,100,017.54
  5. Step 5: Solve for x
    x = 627,756,100,017.54/876,210.40
  6. Step 6: Final answer
    x = 716,444.48

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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.