Home / 670,404.04-1,005,342.54-243,838.60

Finding the Fourth Proportional to 670,404.04, 1,005,342.54 and 243,838.60

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Solution

The fourth proportional to 670,404.04, 1,005,342.54 and 243,838.60 is: 365,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,404.04 : 1,005,342.54 = 243,838.60 : x
  2. Step 2: Convert to fraction form
    670,404.04/1,005,342.54 = 243,838.60/x
  3. Step 3: Cross multiply
    670,404.04x = 1,005,342.54 × 243,838.60
  4. Step 4: Simplify right side
    670,404.04x = 245,141,317,474.04
  5. Step 5: Solve for x
    x = 245,141,317,474.04/670,404.04
  6. Step 6: Final answer
    x = 365,662.05

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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.