Home / 948,670.65-1,420,725.78-542,632.44

Finding the Fourth Proportional to 948,670.65, 1,420,725.78 and 542,632.44

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Solution

The fourth proportional to 948,670.65, 1,420,725.78 and 542,632.44 is: 812,644.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,670.65 : 1,420,725.78 = 542,632.44 : x
  2. Step 2: Convert to fraction form
    948,670.65/1,420,725.78 = 542,632.44/x
  3. Step 3: Cross multiply
    948,670.65x = 1,420,725.78 × 542,632.44
  4. Step 4: Simplify right side
    948,670.65x = 770,931,896,572.30
  5. Step 5: Solve for x
    x = 770,931,896,572.30/948,670.65
  6. Step 6: Final answer
    x = 812,644.41

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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.