Home / 948,155.04-1,421,936.10-316,921.23

Finding the Fourth Proportional to 948,155.04, 1,421,936.10 and 316,921.23

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Solution

The fourth proportional to 948,155.04, 1,421,936.10 and 316,921.23 is: 475,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,155.04 : 1,421,936.10 = 316,921.23 : x
  2. Step 2: Convert to fraction form
    948,155.04/1,421,936.10 = 316,921.23/x
  3. Step 3: Cross multiply
    948,155.04x = 1,421,936.10 × 316,921.23
  4. Step 4: Simplify right side
    948,155.04x = 450,641,737,793.40
  5. Step 5: Solve for x
    x = 450,641,737,793.40/948,155.04
  6. Step 6: Final answer
    x = 475,282.75

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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.