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Finding the Fourth Proportional to 564,767.44, 779,384.53 and 310,124.09

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Solution

The fourth proportional to 564,767.44, 779,384.53 and 310,124.09 is: 427,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,767.44 : 779,384.53 = 310,124.09 : x
  2. Step 2: Convert to fraction form
    564,767.44/779,384.53 = 310,124.09/x
  3. Step 3: Cross multiply
    564,767.44x = 779,384.53 × 310,124.09
  4. Step 4: Simplify right side
    564,767.44x = 241,705,920,462.44
  5. Step 5: Solve for x
    x = 241,705,920,462.44/564,767.44
  6. Step 6: Final answer
    x = 427,974.25

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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.