Home / 649,717.02-974,642.37-245,249.91

Finding the Fourth Proportional to 649,717.02, 974,642.37 and 245,249.91

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Solution

The fourth proportional to 649,717.02, 974,642.37 and 245,249.91 is: 367,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,717.02 : 974,642.37 = 245,249.91 : x
  2. Step 2: Convert to fraction form
    649,717.02/974,642.37 = 245,249.91/x
  3. Step 3: Cross multiply
    649,717.02x = 974,642.37 × 245,249.91
  4. Step 4: Simplify right side
    649,717.02x = 239,030,953,524.69
  5. Step 5: Solve for x
    x = 239,030,953,524.69/649,717.02
  6. Step 6: Final answer
    x = 367,900.10

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Double scale
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Similar ratio
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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.