Home / 711,632.05-982,458.25-470,613.71

Finding the Fourth Proportional to 711,632.05, 982,458.25 and 470,613.71

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Solution

The fourth proportional to 711,632.05, 982,458.25 and 470,613.71 is: 649,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,632.05 : 982,458.25 = 470,613.71 : x
  2. Step 2: Convert to fraction form
    711,632.05/982,458.25 = 470,613.71/x
  3. Step 3: Cross multiply
    711,632.05x = 982,458.25 × 470,613.71
  4. Step 4: Simplify right side
    711,632.05x = 462,358,323,232.22
  5. Step 5: Solve for x
    x = 462,358,323,232.22/711,632.05
  6. Step 6: Final answer
    x = 649,715.43

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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.