Home / 813,848.67-1,123,124.67-451,287.81

Finding the Fourth Proportional to 813,848.67, 1,123,124.67 and 451,287.81

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Solution

The fourth proportional to 813,848.67, 1,123,124.67 and 451,287.81 is: 622,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,848.67 : 1,123,124.67 = 451,287.81 : x
  2. Step 2: Convert to fraction form
    813,848.67/1,123,124.67 = 451,287.81/x
  3. Step 3: Cross multiply
    813,848.67x = 1,123,124.67 × 451,287.81
  4. Step 4: Simplify right side
    813,848.67x = 506,852,472,681.27
  5. Step 5: Solve for x
    x = 506,852,472,681.27/813,848.67
  6. Step 6: Final answer
    x = 622,784.67

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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.