Home / 974,879.64-1,345,308.72-539,285.64

Finding the Fourth Proportional to 974,879.64, 1,345,308.72 and 539,285.64

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Solution

The fourth proportional to 974,879.64, 1,345,308.72 and 539,285.64 is: 744,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,879.64 : 1,345,308.72 = 539,285.64 : x
  2. Step 2: Convert to fraction form
    974,879.64/1,345,308.72 = 539,285.64/x
  3. Step 3: Cross multiply
    974,879.64x = 1,345,308.72 × 539,285.64
  4. Step 4: Simplify right side
    974,879.64x = 725,505,674,062.78
  5. Step 5: Solve for x
    x = 725,505,674,062.78/974,879.64
  6. Step 6: Final answer
    x = 744,200.25

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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.