Home / 794,912.60-1,190,813.70-478,429.40

Finding the Fourth Proportional to 794,912.60, 1,190,813.70 and 478,429.40

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Solution

The fourth proportional to 794,912.60, 1,190,813.70 and 478,429.40 is: 716,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,912.60 : 1,190,813.70 = 478,429.40 : x
  2. Step 2: Convert to fraction form
    794,912.60/1,190,813.70 = 478,429.40/x
  3. Step 3: Cross multiply
    794,912.60x = 1,190,813.70 × 478,429.40
  4. Step 4: Simplify right side
    794,912.60x = 569,720,284,002.78
  5. Step 5: Solve for x
    x = 569,720,284,002.78/794,912.60
  6. Step 6: Final answer
    x = 716,708.08

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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.