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Finding the Fourth Proportional to 649,170.10, 972,005.55 and 470,710.90

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Solution

The fourth proportional to 649,170.10, 972,005.55 and 470,710.90 is: 704,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,170.10 : 972,005.55 = 470,710.90 : x
  2. Step 2: Convert to fraction form
    649,170.10/972,005.55 = 470,710.90/x
  3. Step 3: Cross multiply
    649,170.10x = 972,005.55 × 470,710.90
  4. Step 4: Simplify right side
    649,170.10x = 457,533,607,245.50
  5. Step 5: Solve for x
    x = 457,533,607,245.50/649,170.10
  6. Step 6: Final answer
    x = 704,797.72

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Double scale
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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.