Home / 837,303.60-1,155,509.40-479,676.72

Finding the Fourth Proportional to 837,303.60, 1,155,509.40 and 479,676.72

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Solution

The fourth proportional to 837,303.60, 1,155,509.40 and 479,676.72 is: 661,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,303.60 : 1,155,509.40 = 479,676.72 : x
  2. Step 2: Convert to fraction form
    837,303.60/1,155,509.40 = 479,676.72/x
  3. Step 3: Cross multiply
    837,303.60x = 1,155,509.40 × 479,676.72
  4. Step 4: Simplify right side
    837,303.60x = 554,270,958,921.17
  5. Step 5: Solve for x
    x = 554,270,958,921.17/837,303.60
  6. Step 6: Final answer
    x = 661,971.31

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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.