Home / 837,323.51-1,155,479.39-474,779.66

Finding the Fourth Proportional to 837,323.51, 1,155,479.39 and 474,779.66

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Solution

The fourth proportional to 837,323.51, 1,155,479.39 and 474,779.66 is: 655,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,323.51 : 1,155,479.39 = 474,779.66 : x
  2. Step 2: Convert to fraction form
    837,323.51/1,155,479.39 = 474,779.66/x
  3. Step 3: Cross multiply
    837,323.51x = 1,155,479.39 × 474,779.66
  4. Step 4: Simplify right side
    837,323.51x = 548,598,103,769.91
  5. Step 5: Solve for x
    x = 548,598,103,769.91/837,323.51
  6. Step 6: Final answer
    x = 655,180.58

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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.