Home / 567,426.03-783,042.91-309,303.06

Finding the Fourth Proportional to 567,426.03, 783,042.91 and 309,303.06

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Solution

The fourth proportional to 567,426.03, 783,042.91 and 309,303.06 is: 426,835.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,426.03 : 783,042.91 = 309,303.06 : x
  2. Step 2: Convert to fraction form
    567,426.03/783,042.91 = 309,303.06/x
  3. Step 3: Cross multiply
    567,426.03x = 783,042.91 × 309,303.06
  4. Step 4: Simplify right side
    567,426.03x = 242,197,568,174.31
  5. Step 5: Solve for x
    x = 242,197,568,174.31/567,426.03
  6. Step 6: Final answer
    x = 426,835.49

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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.