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Finding the Fourth Proportional to 672,287.04, 927,395.33 and 430,309.26

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Solution

The fourth proportional to 672,287.04, 927,395.33 and 430,309.26 is: 593,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,287.04 : 927,395.33 = 430,309.26 : x
  2. Step 2: Convert to fraction form
    672,287.04/927,395.33 = 430,309.26/x
  3. Step 3: Cross multiply
    672,287.04x = 927,395.33 × 430,309.26
  4. Step 4: Simplify right side
    672,287.04x = 399,066,796,028.21
  5. Step 5: Solve for x
    x = 399,066,796,028.21/672,287.04
  6. Step 6: Final answer
    x = 593,595.85

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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.