Home / 682,947.60-1,024,421.40-288,912.40

Finding the Fourth Proportional to 682,947.60, 1,024,421.40 and 288,912.40

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Solution

The fourth proportional to 682,947.60, 1,024,421.40 and 288,912.40 is: 433,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,947.60 : 1,024,421.40 = 288,912.40 : x
  2. Step 2: Convert to fraction form
    682,947.60/1,024,421.40 = 288,912.40/x
  3. Step 3: Cross multiply
    682,947.60x = 1,024,421.40 × 288,912.40
  4. Step 4: Simplify right side
    682,947.60x = 295,968,045,285.36
  5. Step 5: Solve for x
    x = 295,968,045,285.36/682,947.60
  6. Step 6: Final answer
    x = 433,368.60

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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.