Home / 816,200.10-1,224,300.15-564,257.70

Finding the Fourth Proportional to 816,200.10, 1,224,300.15 and 564,257.70

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Solution

The fourth proportional to 816,200.10, 1,224,300.15 and 564,257.70 is: 846,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,200.10 : 1,224,300.15 = 564,257.70 : x
  2. Step 2: Convert to fraction form
    816,200.10/1,224,300.15 = 564,257.70/x
  3. Step 3: Cross multiply
    816,200.10x = 1,224,300.15 × 564,257.70
  4. Step 4: Simplify right side
    816,200.10x = 690,820,786,748.66
  5. Step 5: Solve for x
    x = 690,820,786,748.66/816,200.10
  6. Step 6: Final answer
    x = 846,386.55

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Double scale
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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.