Home / 808,239.20-1,210,784.16-491,911.52

Finding the Fourth Proportional to 808,239.20, 1,210,784.16 and 491,911.52

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Solution

The fourth proportional to 808,239.20, 1,210,784.16 and 491,911.52 is: 736,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,239.20 : 1,210,784.16 = 491,911.52 : x
  2. Step 2: Convert to fraction form
    808,239.20/1,210,784.16 = 491,911.52/x
  3. Step 3: Cross multiply
    808,239.20x = 1,210,784.16 × 491,911.52
  4. Step 4: Simplify right side
    808,239.20x = 595,598,676,537.52
  5. Step 5: Solve for x
    x = 595,598,676,537.52/808,239.20
  6. Step 6: Final answer
    x = 736,908.92

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1.5x scale

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.