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Finding the Fourth Proportional to 649,287.60, 973,931.40 and 365,852.40

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Solution

The fourth proportional to 649,287.60, 973,931.40 and 365,852.40 is: 548,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,287.60 : 973,931.40 = 365,852.40 : x
  2. Step 2: Convert to fraction form
    649,287.60/973,931.40 = 365,852.40/x
  3. Step 3: Cross multiply
    649,287.60x = 973,931.40 × 365,852.40
  4. Step 4: Simplify right side
    649,287.60x = 356,315,140,125.36
  5. Step 5: Solve for x
    x = 356,315,140,125.36/649,287.60
  6. Step 6: Final answer
    x = 548,778.60

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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.