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Finding the Fourth Proportional to 872,779.60, 1,308,132.60 and 367,339.60

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Solution

The fourth proportional to 872,779.60, 1,308,132.60 and 367,339.60 is: 550,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,779.60 : 1,308,132.60 = 367,339.60 : x
  2. Step 2: Convert to fraction form
    872,779.60/1,308,132.60 = 367,339.60/x
  3. Step 3: Cross multiply
    872,779.60x = 1,308,132.60 × 367,339.60
  4. Step 4: Simplify right side
    872,779.60x = 480,528,906,030.96
  5. Step 5: Solve for x
    x = 480,528,906,030.96/872,779.60
  6. Step 6: Final answer
    x = 550,573.03

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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.