Home / 745,015.29-1,117,533.63-212,536.37

Finding the Fourth Proportional to 745,015.29, 1,117,533.63 and 212,536.37

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Solution

The fourth proportional to 745,015.29, 1,117,533.63 and 212,536.37 is: 318,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,015.29 : 1,117,533.63 = 212,536.37 : x
  2. Step 2: Convert to fraction form
    745,015.29/1,117,533.63 = 212,536.37/x
  3. Step 3: Cross multiply
    745,015.29x = 1,117,533.63 × 212,536.37
  4. Step 4: Simplify right side
    745,015.29x = 237,516,535,485.46
  5. Step 5: Solve for x
    x = 237,516,535,485.46/745,015.29
  6. Step 6: Final answer
    x = 318,807.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.