Home / 768,027.60-1,152,041.40-531,831.60

Finding the Fourth Proportional to 768,027.60, 1,152,041.40 and 531,831.60

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Solution

The fourth proportional to 768,027.60, 1,152,041.40 and 531,831.60 is: 797,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,027.60 : 1,152,041.40 = 531,831.60 : x
  2. Step 2: Convert to fraction form
    768,027.60/1,152,041.40 = 531,831.60/x
  3. Step 3: Cross multiply
    768,027.60x = 1,152,041.40 × 531,831.60
  4. Step 4: Simplify right side
    768,027.60x = 612,692,021,028.24
  5. Step 5: Solve for x
    x = 612,692,021,028.24/768,027.60
  6. Step 6: Final answer
    x = 797,747.40

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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.