Home / 507,741.40-761,903.70-192,424.60

Finding the Fourth Proportional to 507,741.40, 761,903.70 and 192,424.60

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Solution

The fourth proportional to 507,741.40, 761,903.70 and 192,424.60 is: 288,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,741.40 : 761,903.70 = 192,424.60 : x
  2. Step 2: Convert to fraction form
    507,741.40/761,903.70 = 192,424.60/x
  3. Step 3: Cross multiply
    507,741.40x = 761,903.70 × 192,424.60
  4. Step 4: Simplify right side
    507,741.40x = 146,609,014,711.02
  5. Step 5: Solve for x
    x = 146,609,014,711.02/507,741.40
  6. Step 6: Final answer
    x = 288,747.41

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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.