Home / 726,152.40-1,089,374.40-608,637.60

Finding the Fourth Proportional to 726,152.40, 1,089,374.40 and 608,637.60

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Solution

The fourth proportional to 726,152.40, 1,089,374.40 and 608,637.60 is: 913,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,152.40 : 1,089,374.40 = 608,637.60 : x
  2. Step 2: Convert to fraction form
    726,152.40/1,089,374.40 = 608,637.60/x
  3. Step 3: Cross multiply
    726,152.40x = 1,089,374.40 × 608,637.60
  4. Step 4: Simplify right side
    726,152.40x = 663,034,220,317.44
  5. Step 5: Solve for x
    x = 663,034,220,317.44/726,152.40
  6. Step 6: Final answer
    x = 913,078.60

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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.