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Finding the Fourth Proportional to 719,499.84, 992,993.76 and 598,427.52

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Solution

The fourth proportional to 719,499.84, 992,993.76 and 598,427.52 is: 825,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,499.84 : 992,993.76 = 598,427.52 : x
  2. Step 2: Convert to fraction form
    719,499.84/992,993.76 = 598,427.52/x
  3. Step 3: Cross multiply
    719,499.84x = 992,993.76 × 598,427.52
  4. Step 4: Simplify right side
    719,499.84x = 594,234,793,172.28
  5. Step 5: Solve for x
    x = 594,234,793,172.28/719,499.84
  6. Step 6: Final answer
    x = 825,899.83

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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.