Home / 803,519.44-1,108,683.60-463,790.86

Finding the Fourth Proportional to 803,519.44, 1,108,683.60 and 463,790.86

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Solution

The fourth proportional to 803,519.44, 1,108,683.60 and 463,790.86 is: 639,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,519.44 : 1,108,683.60 = 463,790.86 : x
  2. Step 2: Convert to fraction form
    803,519.44/1,108,683.60 = 463,790.86/x
  3. Step 3: Cross multiply
    803,519.44x = 1,108,683.60 × 463,790.86
  4. Step 4: Simplify right side
    803,519.44x = 514,197,320,311.90
  5. Step 5: Solve for x
    x = 514,197,320,311.90/803,519.44
  6. Step 6: Final answer
    x = 639,931.40

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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.