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Finding the Fourth Proportional to 564,794.05, 779,424.73 and 306,670.85

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Solution

The fourth proportional to 564,794.05, 779,424.73 and 306,670.85 is: 423,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,794.05 : 779,424.73 = 306,670.85 : x
  2. Step 2: Convert to fraction form
    564,794.05/779,424.73 = 306,670.85/x
  3. Step 3: Cross multiply
    564,794.05x = 779,424.73 × 306,670.85
  4. Step 4: Simplify right side
    564,794.05x = 239,026,844,460.12
  5. Step 5: Solve for x
    x = 239,026,844,460.12/564,794.05
  6. Step 6: Final answer
    x = 423,210.63

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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.