Home / 859,434.10-1,289,345.55-504,265.30

Finding the Fourth Proportional to 859,434.10, 1,289,345.55 and 504,265.30

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Solution

The fourth proportional to 859,434.10, 1,289,345.55 and 504,265.30 is: 756,512.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,434.10 : 1,289,345.55 = 504,265.30 : x
  2. Step 2: Convert to fraction form
    859,434.10/1,289,345.55 = 504,265.30/x
  3. Step 3: Cross multiply
    859,434.10x = 1,289,345.55 × 504,265.30
  4. Step 4: Simplify right side
    859,434.10x = 650,172,220,574.42
  5. Step 5: Solve for x
    x = 650,172,220,574.42/859,434.10
  6. Step 6: Final answer
    x = 756,512.01

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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.