Home / 649,918.70-975,454.05-383,345.90

Finding the Fourth Proportional to 649,918.70, 975,454.05 and 383,345.90

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Solution

The fourth proportional to 649,918.70, 975,454.05 and 383,345.90 is: 575,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,918.70 : 975,454.05 = 383,345.90 : x
  2. Step 2: Convert to fraction form
    649,918.70/975,454.05 = 383,345.90/x
  3. Step 3: Cross multiply
    649,918.70x = 975,454.05 × 383,345.90
  4. Step 4: Simplify right side
    649,918.70x = 373,936,310,705.90
  5. Step 5: Solve for x
    x = 373,936,310,705.90/649,918.70
  6. Step 6: Final answer
    x = 575,358.60

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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.