Home / 913,628.03-1,370,343.56-239,776.88

Finding the Fourth Proportional to 913,628.03, 1,370,343.56 and 239,776.88

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Solution

The fourth proportional to 913,628.03, 1,370,343.56 and 239,776.88 is: 359,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,628.03 : 1,370,343.56 = 239,776.88 : x
  2. Step 2: Convert to fraction form
    913,628.03/1,370,343.56 = 239,776.88/x
  3. Step 3: Cross multiply
    913,628.03x = 1,370,343.56 × 239,776.88
  4. Step 4: Simplify right side
    913,628.03x = 328,576,695,294.29
  5. Step 5: Solve for x
    x = 328,576,695,294.29/913,628.03
  6. Step 6: Final answer
    x = 359,639.47

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1.5x scale

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.