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Finding the Fourth Proportional to 648,300.60, 970,482.60 and 577,441.80

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Solution

The fourth proportional to 648,300.60, 970,482.60 and 577,441.80 is: 864,409.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,300.60 : 970,482.60 = 577,441.80 : x
  2. Step 2: Convert to fraction form
    648,300.60/970,482.60 = 577,441.80/x
  3. Step 3: Cross multiply
    648,300.60x = 970,482.60 × 577,441.80
  4. Step 4: Simplify right side
    648,300.60x = 560,397,219,412.68
  5. Step 5: Solve for x
    x = 560,397,219,412.68/648,300.60
  6. Step 6: Final answer
    x = 864,409.53

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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.