Home / 939,875.79-1,409,868.03-265,900.65

Finding the Fourth Proportional to 939,875.79, 1,409,868.03 and 265,900.65

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Solution

The fourth proportional to 939,875.79, 1,409,868.03 and 265,900.65 is: 398,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,875.79 : 1,409,868.03 = 265,900.65 : x
  2. Step 2: Convert to fraction form
    939,875.79/1,409,868.03 = 265,900.65/x
  3. Step 3: Cross multiply
    939,875.79x = 1,409,868.03 × 265,900.65
  4. Step 4: Simplify right side
    939,875.79x = 374,884,825,591.22
  5. Step 5: Solve for x
    x = 374,884,825,591.22/939,875.79
  6. Step 6: Final answer
    x = 398,866.35

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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.