Home / 746,125.60-1,119,188.40-521,739.40

Finding the Fourth Proportional to 746,125.60, 1,119,188.40 and 521,739.40

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Solution

The fourth proportional to 746,125.60, 1,119,188.40 and 521,739.40 is: 782,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,125.60 : 1,119,188.40 = 521,739.40 : x
  2. Step 2: Convert to fraction form
    746,125.60/1,119,188.40 = 521,739.40/x
  3. Step 3: Cross multiply
    746,125.60x = 1,119,188.40 × 521,739.40
  4. Step 4: Simplify right side
    746,125.60x = 583,924,684,302.96
  5. Step 5: Solve for x
    x = 583,924,684,302.96/746,125.60
  6. Step 6: Final answer
    x = 782,609.10

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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.