Home / 988,675.60-1,483,013.40-457,234.60

Finding the Fourth Proportional to 988,675.60, 1,483,013.40 and 457,234.60

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Solution

The fourth proportional to 988,675.60, 1,483,013.40 and 457,234.60 is: 685,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,675.60 : 1,483,013.40 = 457,234.60 : x
  2. Step 2: Convert to fraction form
    988,675.60/1,483,013.40 = 457,234.60/x
  3. Step 3: Cross multiply
    988,675.60x = 1,483,013.40 × 457,234.60
  4. Step 4: Simplify right side
    988,675.60x = 678,085,038,743.64
  5. Step 5: Solve for x
    x = 678,085,038,743.64/988,675.60
  6. Step 6: Final answer
    x = 685,851.90

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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.