Home / 745,271.37-1,117,750.32-239,877.54

Finding the Fourth Proportional to 745,271.37, 1,117,750.32 and 239,877.54

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Solution

The fourth proportional to 745,271.37, 1,117,750.32 and 239,877.54 is: 359,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,271.37 : 1,117,750.32 = 239,877.54 : x
  2. Step 2: Convert to fraction form
    745,271.37/1,117,750.32 = 239,877.54/x
  3. Step 3: Cross multiply
    745,271.37x = 1,117,750.32 × 239,877.54
  4. Step 4: Simplify right side
    745,271.37x = 268,123,197,095.81
  5. Step 5: Solve for x
    x = 268,123,197,095.81/745,271.37
  6. Step 6: Final answer
    x = 359,765.86

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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.