Home / 974,890.20-1,345,339.26-545,165.40

Finding the Fourth Proportional to 974,890.20, 1,345,339.26 and 545,165.40

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Solution

The fourth proportional to 974,890.20, 1,345,339.26 and 545,165.40 is: 752,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,890.20 : 1,345,339.26 = 545,165.40 : x
  2. Step 2: Convert to fraction form
    974,890.20/1,345,339.26 = 545,165.40/x
  3. Step 3: Cross multiply
    974,890.20x = 1,345,339.26 × 545,165.40
  4. Step 4: Simplify right side
    974,890.20x = 733,432,415,813.60
  5. Step 5: Solve for x
    x = 733,432,415,813.60/974,890.20
  6. Step 6: Final answer
    x = 752,323.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.