Home / 837,470.42-1,155,698.40-455,497.22

Finding the Fourth Proportional to 837,470.42, 1,155,698.40 and 455,497.22

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Solution

The fourth proportional to 837,470.42, 1,155,698.40 and 455,497.22 is: 628,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,470.42 : 1,155,698.40 = 455,497.22 : x
  2. Step 2: Convert to fraction form
    837,470.42/1,155,698.40 = 455,497.22/x
  3. Step 3: Cross multiply
    837,470.42x = 1,155,698.40 × 455,497.22
  4. Step 4: Simplify right side
    837,470.42x = 526,417,408,358.45
  5. Step 5: Solve for x
    x = 526,417,408,358.45/837,470.42
  6. Step 6: Final answer
    x = 628,580.30

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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.