Home / 649,979.06-896,968.02-363,500.28

Finding the Fourth Proportional to 649,979.06, 896,968.02 and 363,500.28

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Solution

The fourth proportional to 649,979.06, 896,968.02 and 363,500.28 is: 501,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,979.06 : 896,968.02 = 363,500.28 : x
  2. Step 2: Convert to fraction form
    649,979.06/896,968.02 = 363,500.28/x
  3. Step 3: Cross multiply
    649,979.06x = 896,968.02 × 363,500.28
  4. Step 4: Simplify right side
    649,979.06x = 326,048,126,421.05
  5. Step 5: Solve for x
    x = 326,048,126,421.05/649,979.06
  6. Step 6: Final answer
    x = 501,628.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.