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Finding the Fourth Proportional to 519,427.00, 715,210.47 and 442,774.27

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Solution

The fourth proportional to 519,427.00, 715,210.47 and 442,774.27 is: 609,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,427.00 : 715,210.47 = 442,774.27 : x
  2. Step 2: Convert to fraction form
    519,427.00/715,210.47 = 442,774.27/x
  3. Step 3: Cross multiply
    519,427.00x = 715,210.47 × 442,774.27
  4. Step 4: Simplify right side
    519,427.00x = 316,676,794,644.62
  5. Step 5: Solve for x
    x = 316,676,794,644.62/519,427.00
  6. Step 6: Final answer
    x = 609,665.64

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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.