Home / 719,111.20-1,078,407.60-364,007.20

Finding the Fourth Proportional to 719,111.20, 1,078,407.60 and 364,007.20

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Solution

The fourth proportional to 719,111.20, 1,078,407.60 and 364,007.20 is: 545,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,111.20 : 1,078,407.60 = 364,007.20 : x
  2. Step 2: Convert to fraction form
    719,111.20/1,078,407.60 = 364,007.20/x
  3. Step 3: Cross multiply
    719,111.20x = 1,078,407.60 × 364,007.20
  4. Step 4: Simplify right side
    719,111.20x = 392,548,130,934.72
  5. Step 5: Solve for x
    x = 392,548,130,934.72/719,111.20
  6. Step 6: Final answer
    x = 545,879.60

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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.