Home / 692,207.20-1,038,310.80-455,816.80

Finding the Fourth Proportional to 692,207.20, 1,038,310.80 and 455,816.80

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Solution

The fourth proportional to 692,207.20, 1,038,310.80 and 455,816.80 is: 683,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,207.20 : 1,038,310.80 = 455,816.80 : x
  2. Step 2: Convert to fraction form
    692,207.20/1,038,310.80 = 455,816.80/x
  3. Step 3: Cross multiply
    692,207.20x = 1,038,310.80 × 455,816.80
  4. Step 4: Simplify right side
    692,207.20x = 473,279,506,261.44
  5. Step 5: Solve for x
    x = 473,279,506,261.44/692,207.20
  6. Step 6: Final answer
    x = 683,725.20

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Similar ratio
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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.