Home / 564,724.51-779,332.40-310,076.71

Finding the Fourth Proportional to 564,724.51, 779,332.40 and 310,076.71

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Solution

The fourth proportional to 564,724.51, 779,332.40 and 310,076.71 is: 427,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,724.51 : 779,332.40 = 310,076.71 : x
  2. Step 2: Convert to fraction form
    564,724.51/779,332.40 = 310,076.71/x
  3. Step 3: Cross multiply
    564,724.51x = 779,332.40 × 310,076.71
  4. Step 4: Simplify right side
    564,724.51x = 241,652,826,588.40
  5. Step 5: Solve for x
    x = 241,652,826,588.40/564,724.51
  6. Step 6: Final answer
    x = 427,912.77

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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.