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Finding the Fourth Proportional to 507,584.51, 761,400.11 and 207,854.90

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Solution

The fourth proportional to 507,584.51, 761,400.11 and 207,854.90 is: 311,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,584.51 : 761,400.11 = 207,854.90 : x
  2. Step 2: Convert to fraction form
    507,584.51/761,400.11 = 207,854.90/x
  3. Step 3: Cross multiply
    507,584.51x = 761,400.11 × 207,854.90
  4. Step 4: Simplify right side
    507,584.51x = 158,260,742,513.50
  5. Step 5: Solve for x
    x = 158,260,742,513.50/507,584.51
  6. Step 6: Final answer
    x = 311,791.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.