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Finding the Fourth Proportional to 654,801.60, 982,202.40 and 549,739.20

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Solution

The fourth proportional to 654,801.60, 982,202.40 and 549,739.20 is: 824,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,801.60 : 982,202.40 = 549,739.20 : x
  2. Step 2: Convert to fraction form
    654,801.60/982,202.40 = 549,739.20/x
  3. Step 3: Cross multiply
    654,801.60x = 982,202.40 × 549,739.20
  4. Step 4: Simplify right side
    654,801.60x = 539,955,161,614.08
  5. Step 5: Solve for x
    x = 539,955,161,614.08/654,801.60
  6. Step 6: Final answer
    x = 824,608.80

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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.