Home / 919,527.60-1,378,470.60-358,431.60

Finding the Fourth Proportional to 919,527.60, 1,378,470.60 and 358,431.60

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Solution

The fourth proportional to 919,527.60, 1,378,470.60 and 358,431.60 is: 537,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,527.60 : 1,378,470.60 = 358,431.60 : x
  2. Step 2: Convert to fraction form
    919,527.60/1,378,470.60 = 358,431.60/x
  3. Step 3: Cross multiply
    919,527.60x = 1,378,470.60 × 358,431.60
  4. Step 4: Simplify right side
    919,527.60x = 494,087,422,710.96
  5. Step 5: Solve for x
    x = 494,087,422,710.96/919,527.60
  6. Step 6: Final answer
    x = 537,327.45

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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.