Home / 507,975.10-761,909.19-208,487.32

Finding the Fourth Proportional to 507,975.10, 761,909.19 and 208,487.32

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Solution

The fourth proportional to 507,975.10, 761,909.19 and 208,487.32 is: 312,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,975.10 : 761,909.19 = 208,487.32 : x
  2. Step 2: Convert to fraction form
    507,975.10/761,909.19 = 208,487.32/x
  3. Step 3: Cross multiply
    507,975.10x = 761,909.19 × 208,487.32
  4. Step 4: Simplify right side
    507,975.10x = 158,848,405,106.47
  5. Step 5: Solve for x
    x = 158,848,405,106.47/507,975.10
  6. Step 6: Final answer
    x = 312,709.04

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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.