Home / 564,857.04-779,516.24-310,213.68

Finding the Fourth Proportional to 564,857.04, 779,516.24 and 310,213.68

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Solution

The fourth proportional to 564,857.04, 779,516.24 and 310,213.68 is: 428,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,857.04 : 779,516.24 = 310,213.68 : x
  2. Step 2: Convert to fraction form
    564,857.04/779,516.24 = 310,213.68/x
  3. Step 3: Cross multiply
    564,857.04x = 779,516.24 × 310,213.68
  4. Step 4: Simplify right side
    564,857.04x = 241,816,601,430.16
  5. Step 5: Solve for x
    x = 241,816,601,430.16/564,857.04
  6. Step 6: Final answer
    x = 428,102.31

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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.