Home / 763,570.80-1,145,064.60-230,914.80

Finding the Fourth Proportional to 763,570.80, 1,145,064.60 and 230,914.80

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Solution

The fourth proportional to 763,570.80, 1,145,064.60 and 230,914.80 is: 346,284.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,570.80 : 1,145,064.60 = 230,914.80 : x
  2. Step 2: Convert to fraction form
    763,570.80/1,145,064.60 = 230,914.80/x
  3. Step 3: Cross multiply
    763,570.80x = 1,145,064.60 × 230,914.80
  4. Step 4: Simplify right side
    763,570.80x = 264,412,363,096.08
  5. Step 5: Solve for x
    x = 264,412,363,096.08/763,570.80
  6. Step 6: Final answer
    x = 346,284.02

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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.