Home / 970,288.40-1,455,432.60-545,135.60

Finding the Fourth Proportional to 970,288.40, 1,455,432.60 and 545,135.60

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Solution

The fourth proportional to 970,288.40, 1,455,432.60 and 545,135.60 is: 817,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,288.40 : 1,455,432.60 = 545,135.60 : x
  2. Step 2: Convert to fraction form
    970,288.40/1,455,432.60 = 545,135.60/x
  3. Step 3: Cross multiply
    970,288.40x = 1,455,432.60 × 545,135.60
  4. Step 4: Simplify right side
    970,288.40x = 793,408,123,660.56
  5. Step 5: Solve for x
    x = 793,408,123,660.56/970,288.40
  6. Step 6: Final answer
    x = 817,703.40

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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.