Home / 711,618.51-982,439.58-470,600.18

Finding the Fourth Proportional to 711,618.51, 982,439.58 and 470,600.18

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Solution

The fourth proportional to 711,618.51, 982,439.58 and 470,600.18 is: 649,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,618.51 : 982,439.58 = 470,600.18 : x
  2. Step 2: Convert to fraction form
    711,618.51/982,439.58 = 470,600.18/x
  3. Step 3: Cross multiply
    711,618.51x = 982,439.58 × 470,600.18
  4. Step 4: Simplify right side
    711,618.51x = 462,336,243,723.83
  5. Step 5: Solve for x
    x = 462,336,243,723.83/711,618.51
  6. Step 6: Final answer
    x = 649,696.76

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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.