Home / 649,430.55-974,145.83-295,136.55

Finding the Fourth Proportional to 649,430.55, 974,145.83 and 295,136.55

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Solution

The fourth proportional to 649,430.55, 974,145.83 and 295,136.55 is: 442,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,430.55 : 974,145.83 = 295,136.55 : x
  2. Step 2: Convert to fraction form
    649,430.55/974,145.83 = 295,136.55/x
  3. Step 3: Cross multiply
    649,430.55x = 974,145.83 × 295,136.55
  4. Step 4: Simplify right side
    649,430.55x = 287,506,037,987.40
  5. Step 5: Solve for x
    x = 287,506,037,987.40/649,430.55
  6. Step 6: Final answer
    x = 442,704.83

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Half scale
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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.